Home / 510,744,695.40-766,216,575.90-203,984,605.80

Finding the Fourth Proportional to 510,744,695.40, 766,216,575.90 and 203,984,605.80

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Solution

The fourth proportional to 510,744,695.40, 766,216,575.90 and 203,984,605.80 is: 306,016,660.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,744,695.40 : 766,216,575.90 = 203,984,605.80 : x
  2. Step 2: Convert to fraction form
    510,744,695.40/766,216,575.90 = 203,984,605.80/x
  3. Step 3: Cross multiply
    510,744,695.40x = 766,216,575.90 × 203,984,605.80
  4. Step 4: Simplify right side
    510,744,695.40x = 156,296,386,192,387,296
  5. Step 5: Solve for x
    x = 156,296,386,192,387,296/510,744,695.40
  6. Step 6: Final answer
    x = 306,016,660.77

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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.