Home / 521,520,769,502.20-782,281,154,253.30-500,950,176,426.95

Finding the Fourth Proportional to 521,520,769,502.20, 782,281,154,253.30 and 500,950,176,426.95

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Solution

The fourth proportional to 521,520,769,502.20, 782,281,154,253.30 and 500,950,176,426.95 is: 751,425,264,640.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,520,769,502.20 : 782,281,154,253.30 = 500,950,176,426.95 : x
  2. Step 2: Convert to fraction form
    521,520,769,502.20/782,281,154,253.30 = 500,950,176,426.95/x
  3. Step 3: Cross multiply
    521,520,769,502.20x = 782,281,154,253.30 × 500,950,176,426.95
  4. Step 4: Simplify right side
    521,520,769,502.20x = 391,883,882,238,668,779,290,624
  5. Step 5: Solve for x
    x = 391,883,882,238,668,779,290,624/521,520,769,502.20
  6. Step 6: Final answer
    x = 751,425,264,640.43

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Double scale
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1.5x scale

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.