Finding the Fourth Proportional to 470,071,458.27, 648,014,929.18 and 328,503,153.83

Step by Step Solution

1. Step 1: Write the proportion equation
   470,071,458.27 : 648,014,929.18 = 328,503,153.83 : x
2. Step 2: Convert to fraction form
   470,071,458.27/648,014,929.18 = 328,503,153.83/x
3. Step 3: Cross multiply
   470,071,458.27x = 648,014,929.18 × 328,503,153.83
4. Step 4: Simplify right side
   470,071,458.27x = 212,874,947,960,492,768
5. Step 5: Solve for x
   x = 212,874,947,960,492,768/470,071,458.27
6. Step 6: Final answer
   x = 452,856,569.39