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Finding the Fourth Proportional to 537,715,349.80, 806,573,024.70 and 265,216,661.80

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Solution

The fourth proportional to 537,715,349.80, 806,573,024.70 and 265,216,661.80 is: 397,824,992.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,715,349.80 : 806,573,024.70 = 265,216,661.80 : x
  2. Step 2: Convert to fraction form
    537,715,349.80/806,573,024.70 = 265,216,661.80/x
  3. Step 3: Cross multiply
    537,715,349.80x = 806,573,024.70 × 265,216,661.80
  4. Step 4: Simplify right side
    537,715,349.80x = 213,916,605,108,862,976
  5. Step 5: Solve for x
    x = 213,916,605,108,862,976/537,715,349.80
  6. Step 6: Final answer
    x = 397,824,992.70

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