Here is the visual representation of the region of integration before and after reversing the order.

• The blue shaded area represents the original region where $x$ ranges from 0 to 4 and $y$ ranges from $\frac{x}{4}$ to 1.
• The orange shaded area represents the region after reversing the order of integration, where $y$ now ranges from 0 to 1, and for each $y$, $x$ ranges from $4y$ to 4.

This visual helps to confirm that the region of integration remains the same, even though we've swapped the limits of integration.

Would you like more details on any of the steps or concepts? Here are some related questions you might find useful:

1. How do you evaluate a definite integral if it cannot be solved analytically?
2. What are the benefits of reversing the order of integration in double integrals?
3. Can reversing the order of integration always be applied to simplify double integrals?
4. How do you interpret the bounds of integration in a real-world context?
5. What numerical methods can be used to approximate difficult integrals?

Tip: Reversing the order of integration is especially useful when the integral is difficult to evaluate in its original form but becomes simpler after changing the order.