Finding the Fourth Proportional to 11,755,053,139.43, 16,503,564,853.88 and 11,755,053,139.43

Step by Step Solution

1. Step 1: Write the proportion equation
   11,755,053,139.43 : 16,503,564,853.88 = 11,755,053,139.43 : x
2. Step 2: Convert to fraction form
   11,755,053,139.43/16,503,564,853.88 = 11,755,053,139.43/x
3. Step 3: Cross multiply
   11,755,053,139.43x = 16,503,564,853.88 × 11,755,053,139.43
4. Step 4: Simplify right side
   11,755,053,139.43x = 194,000,281,847,247,405,056
5. Step 5: Solve for x
   x = 194,000,281,847,247,405,056/11,755,053,139.43
6. Step 6: Final answer
   x = 16,503,564,853.88