\(r\left[m^3\right]=A\left[m^2\right]\ X\left[m\right]=50X\left[m^3\right]\)

\(\left(4.38\cdot10^9\ \frac{lt}{año}\right)\ \left(\frac{1m^3}{1000\ lt}\right)=4.38\cdot10^6\ \frac{m^3}{año}\)

\(V=\left(50\cdot10^6\ m^2\right)\)

\(X=4.38\cdot10^6\ m^3\)