Home / 8,105,883,115.77-11,180,352,103.01-7,438,981,741.47

Finding the Fourth Proportional to 8,105,883,115.77, 11,180,352,103.01 and 7,438,981,741.47

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Solution

The fourth proportional to 8,105,883,115.77, 11,180,352,103.01 and 7,438,981,741.47 is: 10,260,502,645.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,105,883,115.77 : 11,180,352,103.01 = 7,438,981,741.47 : x
  2. Step 2: Convert to fraction form
    8,105,883,115.77/11,180,352,103.01 = 7,438,981,741.47/x
  3. Step 3: Cross multiply
    8,105,883,115.77x = 11,180,352,103.01 × 7,438,981,741.47
  4. Step 4: Simplify right side
    8,105,883,115.77x = 83,170,435,157,459,910,656
  5. Step 5: Solve for x
    x = 83,170,435,157,459,910,656/8,105,883,115.77
  6. Step 6: Final answer
    x = 10,260,502,645.99

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.