Home / 442,172,493.91-662,909,266.36-220,730,183.83

Finding the Fourth Proportional to 442,172,493.91, 662,909,266.36 and 220,730,183.83

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Solution

The fourth proportional to 442,172,493.91, 662,909,266.36 and 220,730,183.83 is: 330,920,819.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,172,493.91 : 662,909,266.36 = 220,730,183.83 : x
  2. Step 2: Convert to fraction form
    442,172,493.91/662,909,266.36 = 220,730,183.83/x
  3. Step 3: Cross multiply
    442,172,493.91x = 662,909,266.36 × 220,730,183.83
  4. Step 4: Simplify right side
    442,172,493.91x = 146,324,084,222,386,848
  5. Step 5: Solve for x
    x = 146,324,084,222,386,848/442,172,493.91
  6. Step 6: Final answer
    x = 330,920,819.90

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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.