Finding the Fourth Proportional to 2,640,297,549.81, 3,643,639,620.89 and 1,450,866,826.29

Step by Step Solution

1. Step 1: Write the proportion equation
   2,640,297,549.81 : 3,643,639,620.89 = 1,450,866,826.29 : x
2. Step 2: Convert to fraction form
   2,640,297,549.81/3,643,639,620.89 = 1,450,866,826.29/x
3. Step 3: Cross multiply
   2,640,297,549.81x = 3,643,639,620.89 × 1,450,866,826.29
4. Step 4: Simplify right side
   2,640,297,549.81x = 5,286,435,852,897,918,976
5. Step 5: Solve for x
   x = 5,286,435,852,897,918,976/2,640,297,549.81
6. Step 6: Final answer
   x = 2,002,212,157.22