Finding the Fourth Proportional to 2,490,441,935.69, 3,436,832,739.39 and 1,418,729,382.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,490,441,935.69 : 3,436,832,739.39 = 1,418,729,382.25 : x
2. Step 2: Convert to fraction form
   2,490,441,935.69/3,436,832,739.39 = 1,418,729,382.25/x
3. Step 3: Cross multiply
   2,490,441,935.69x = 3,436,832,739.39 × 1,418,729,382.25
4. Step 4: Simplify right side
   2,490,441,935.69x = 4,875,935,589,244,614,656
5. Step 5: Solve for x
   x = 4,875,935,589,244,614,656/2,490,441,935.69
6. Step 6: Final answer
   x = 1,957,859,574.79