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Finding the Fourth Proportional to 629,799,374.70, 944,006,220.45 and 220,644,917.10

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Solution

The fourth proportional to 629,799,374.70, 944,006,220.45 and 220,644,917.10 is: 330,724,644.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,799,374.70 : 944,006,220.45 = 220,644,917.10 : x
  2. Step 2: Convert to fraction form
    629,799,374.70/944,006,220.45 = 220,644,917.10/x
  3. Step 3: Cross multiply
    629,799,374.70x = 944,006,220.45 × 220,644,917.10
  4. Step 4: Simplify right side
    629,799,374.70x = 208,290,174,253,074,592
  5. Step 5: Solve for x
    x = 208,290,174,253,074,592/629,799,374.70
  6. Step 6: Final answer
    x = 330,724,644.42

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