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Finding the Fourth Proportional to 619,751,750.40, 927,612,086.40 and 482,695,084.80

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Solution

The fourth proportional to 619,751,750.40, 927,612,086.40 and 482,695,084.80 is: 722,472,819.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,751,750.40 : 927,612,086.40 = 482,695,084.80 : x
  2. Step 2: Convert to fraction form
    619,751,750.40/927,612,086.40 = 482,695,084.80/x
  3. Step 3: Cross multiply
    619,751,750.40x = 927,612,086.40 × 482,695,084.80
  4. Step 4: Simplify right side
    619,751,750.40x = 447,753,794,706,352,896
  5. Step 5: Solve for x
    x = 447,753,794,706,352,896/619,751,750.40
  6. Step 6: Final answer
    x = 722,472,819.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.