Finding the Fourth Proportional to 815,401,815.70, 1,144,787,404.70 and 815,401,815.70

Step by Step Solution

1. Step 1: Write the proportion equation
   815,401,815.70 : 1,144,787,404.70 = 815,401,815.70 : x
2. Step 2: Convert to fraction form
   815,401,815.70/1,144,787,404.70 = 815,401,815.70/x
3. Step 3: Cross multiply
   815,401,815.70x = 1,144,787,404.70 × 815,401,815.70
4. Step 4: Simplify right side
   815,401,815.70x = 933,461,728,382,870,784
5. Step 5: Solve for x
   x = 933,461,728,382,870,784/815,401,815.70
6. Step 6: Final answer
   x = 1,144,787,404.70