Home / 527,616,096.20-791,424,144.30-391,567,200.20

Finding the Fourth Proportional to 527,616,096.20, 791,424,144.30 and 391,567,200.20

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Solution

The fourth proportional to 527,616,096.20, 791,424,144.30 and 391,567,200.20 is: 587,350,800.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,616,096.20 : 791,424,144.30 = 391,567,200.20 : x
  2. Step 2: Convert to fraction form
    527,616,096.20/791,424,144.30 = 391,567,200.20/x
  3. Step 3: Cross multiply
    527,616,096.20x = 791,424,144.30 × 391,567,200.20
  4. Step 4: Simplify right side
    527,616,096.20x = 309,895,736,354,231,744
  5. Step 5: Solve for x
    x = 309,895,736,354,231,744/527,616,096.20
  6. Step 6: Final answer
    x = 587,350,800.30

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Double scale
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Similar ratio
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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.