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Finding the Fourth Proportional to 488,642,663.80, 732,538,842.90 and 294,347,834.20

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Solution

The fourth proportional to 488,642,663.80, 732,538,842.90 and 294,347,834.20 is: 441,265,648.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,642,663.80 : 732,538,842.90 = 294,347,834.20 : x
  2. Step 2: Convert to fraction form
    488,642,663.80/732,538,842.90 = 294,347,834.20/x
  3. Step 3: Cross multiply
    488,642,663.80x = 732,538,842.90 × 294,347,834.20
  4. Step 4: Simplify right side
    488,642,663.80x = 215,621,221,874,989,024
  5. Step 5: Solve for x
    x = 215,621,221,874,989,024/488,642,663.80
  6. Step 6: Final answer
    x = 441,265,648.39

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