Home / 885,739,388.20-1,328,609,082.30-656,156,876.20

Finding the Fourth Proportional to 885,739,388.20, 1,328,609,082.30 and 656,156,876.20

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Solution

The fourth proportional to 885,739,388.20, 1,328,609,082.30 and 656,156,876.20 is: 984,235,314.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,739,388.20 : 1,328,609,082.30 = 656,156,876.20 : x
  2. Step 2: Convert to fraction form
    885,739,388.20/1,328,609,082.30 = 656,156,876.20/x
  3. Step 3: Cross multiply
    885,739,388.20x = 1,328,609,082.30 × 656,156,876.20
  4. Step 4: Simplify right side
    885,739,388.20x = 871,775,985,132,916,736
  5. Step 5: Solve for x
    x = 871,775,985,132,916,736/885,739,388.20
  6. Step 6: Final answer
    x = 984,235,314.30

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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.