Home / 442,665,306.12-664,227,754.53-180,542,161.38

Finding the Fourth Proportional to 442,665,306.12, 664,227,754.53 and 180,542,161.38

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Solution

The fourth proportional to 442,665,306.12, 664,227,754.53 and 180,542,161.38 is: 270,906,964.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,665,306.12 : 664,227,754.53 = 180,542,161.38 : x
  2. Step 2: Convert to fraction form
    442,665,306.12/664,227,754.53 = 180,542,161.38/x
  3. Step 3: Cross multiply
    442,665,306.12x = 664,227,754.53 × 180,542,161.38
  4. Step 4: Simplify right side
    442,665,306.12x = 119,921,114,451,430,272
  5. Step 5: Solve for x
    x = 119,921,114,451,430,272/442,665,306.12
  6. Step 6: Final answer
    x = 270,906,964.68

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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.