Finding the Fourth Proportional to 2,009,085,158.10, 2,772,692,650.82 and 1,205,342,794.68

Step by Step Solution

1. Step 1: Write the proportion equation
   2,009,085,158.10 : 2,772,692,650.82 = 1,205,342,794.68 : x
2. Step 2: Convert to fraction form
   2,009,085,158.10/2,772,692,650.82 = 1,205,342,794.68/x
3. Step 3: Cross multiply
   2,009,085,158.10x = 2,772,692,650.82 × 1,205,342,794.68
4. Step 4: Simplify right side
   2,009,085,158.10x = 3,342,045,108,522,049,536
5. Step 5: Solve for x
   x = 3,342,045,108,522,049,536/2,009,085,158.10
6. Step 6: Final answer
   x = 1,663,466,127.88