Home / 3,981,344,010.30-5,972,016,015.45-1,221,398,999.10

Finding the Fourth Proportional to 3,981,344,010.30, 5,972,016,015.45 and 1,221,398,999.10

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Solution

The fourth proportional to 3,981,344,010.30, 5,972,016,015.45 and 1,221,398,999.10 is: 1,832,098,498.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,981,344,010.30 : 5,972,016,015.45 = 1,221,398,999.10 : x
  2. Step 2: Convert to fraction form
    3,981,344,010.30/5,972,016,015.45 = 1,221,398,999.10/x
  3. Step 3: Cross multiply
    3,981,344,010.30x = 5,972,016,015.45 × 1,221,398,999.10
  4. Step 4: Simplify right side
    3,981,344,010.30x = 7,294,214,383,879,799,808
  5. Step 5: Solve for x
    x = 7,294,214,383,879,799,808/3,981,344,010.30
  6. Step 6: Final answer
    x = 1,832,098,498.65

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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.