Home / 442,867,931.10-664,301,896.65-419,192,234.55

Finding the Fourth Proportional to 442,867,931.10, 664,301,896.65 and 419,192,234.55

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Solution

The fourth proportional to 442,867,931.10, 664,301,896.65 and 419,192,234.55 is: 628,788,351.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,867,931.10 : 664,301,896.65 = 419,192,234.55 : x
  2. Step 2: Convert to fraction form
    442,867,931.10/664,301,896.65 = 419,192,234.55/x
  3. Step 3: Cross multiply
    442,867,931.10x = 664,301,896.65 × 419,192,234.55
  4. Step 4: Simplify right side
    442,867,931.10x = 278,470,196,472,516,672
  5. Step 5: Solve for x
    x = 278,470,196,472,516,672/442,867,931.10
  6. Step 6: Final answer
    x = 628,788,351.83

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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.