Home / 885,739,459.70-1,328,609,189.55-656,156,947.70

Finding the Fourth Proportional to 885,739,459.70, 1,328,609,189.55 and 656,156,947.70

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Solution

The fourth proportional to 885,739,459.70, 1,328,609,189.55 and 656,156,947.70 is: 984,235,421.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,739,459.70 : 1,328,609,189.55 = 656,156,947.70 : x
  2. Step 2: Convert to fraction form
    885,739,459.70/1,328,609,189.55 = 656,156,947.70/x
  3. Step 3: Cross multiply
    885,739,459.70x = 1,328,609,189.55 × 656,156,947.70
  4. Step 4: Simplify right side
    885,739,459.70x = 871,776,150,501,298,816
  5. Step 5: Solve for x
    x = 871,776,150,501,298,816/885,739,459.70
  6. Step 6: Final answer
    x = 984,235,421.55

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Double scale
Find fourth proportional to 885,739,460.70, 1,328,609,191.05 and 656,156,948.70
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.