Finding the Fourth Proportional to 2,025,744,371.64, 3,038,559,870.42 and 645,641,695.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,025,744,371.64 : 3,038,559,870.42 = 645,641,695.80 : x
2. Step 2: Convert to fraction form
   2,025,744,371.64/3,038,559,870.42 = 645,641,695.80/x
3. Step 3: Cross multiply
   2,025,744,371.64x = 3,038,559,870.42 × 645,641,695.80
4. Step 4: Simplify right side
   2,025,744,371.64x = 1,961,820,947,527,796,992
5. Step 5: Solve for x
   x = 1,961,820,947,527,796,992/2,025,744,371.64
6. Step 6: Final answer
   x = 968,444,476.51