Home / 3,981,344,015.30-5,972,016,022.95-1,221,399,004.10

Finding the Fourth Proportional to 3,981,344,015.30, 5,972,016,022.95 and 1,221,399,004.10

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Solution

The fourth proportional to 3,981,344,015.30, 5,972,016,022.95 and 1,221,399,004.10 is: 1,832,098,506.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,981,344,015.30 : 5,972,016,022.95 = 1,221,399,004.10 : x
  2. Step 2: Convert to fraction form
    3,981,344,015.30/5,972,016,022.95 = 1,221,399,004.10/x
  3. Step 3: Cross multiply
    3,981,344,015.30x = 5,972,016,022.95 × 1,221,399,004.10
  4. Step 4: Simplify right side
    3,981,344,015.30x = 7,294,214,422,900,371,456
  5. Step 5: Solve for x
    x = 7,294,214,422,900,371,456/3,981,344,015.30
  6. Step 6: Final answer
    x = 1,832,098,506.15

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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.