Home / 1,331,712,136.20-1,997,568,204.30-1,170,469,000.20

Finding the Fourth Proportional to 1,331,712,136.20, 1,997,568,204.30 and 1,170,469,000.20

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Solution

The fourth proportional to 1,331,712,136.20, 1,997,568,204.30 and 1,170,469,000.20 is: 1,755,703,500.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331,712,136.20 : 1,997,568,204.30 = 1,170,469,000.20 : x
  2. Step 2: Convert to fraction form
    1,331,712,136.20/1,997,568,204.30 = 1,170,469,000.20/x
  3. Step 3: Cross multiply
    1,331,712,136.20x = 1,997,568,204.30 × 1,170,469,000.20
  4. Step 4: Simplify right side
    1,331,712,136.20x = 2,338,091,658,918,330,368
  5. Step 5: Solve for x
    x = 2,338,091,658,918,330,368/1,331,712,136.20
  6. Step 6: Final answer
    x = 1,755,703,500.30

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Half scale
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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.