Home / 521,362,948.20-782,149,398.30-152,897,188.20

Finding the Fourth Proportional to 521,362,948.20, 782,149,398.30 and 152,897,188.20

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Solution

The fourth proportional to 521,362,948.20, 782,149,398.30 and 152,897,188.20 is: 229,376,568.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,362,948.20 : 782,149,398.30 = 152,897,188.20 : x
  2. Step 2: Convert to fraction form
    521,362,948.20/782,149,398.30 = 152,897,188.20/x
  3. Step 3: Cross multiply
    521,362,948.20x = 782,149,398.30 × 152,897,188.20
  4. Step 4: Simplify right side
    521,362,948.20x = 119,588,443,752,391,840
  5. Step 5: Solve for x
    x = 119,588,443,752,391,840/521,362,948.20
  6. Step 6: Final answer
    x = 229,376,568.02

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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.