Home / 3,981,344,016.80-5,972,016,025.20-1,221,399,005.60

Finding the Fourth Proportional to 3,981,344,016.80, 5,972,016,025.20 and 1,221,399,005.60

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Solution

The fourth proportional to 3,981,344,016.80, 5,972,016,025.20 and 1,221,399,005.60 is: 1,832,098,508.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,981,344,016.80 : 5,972,016,025.20 = 1,221,399,005.60 : x
  2. Step 2: Convert to fraction form
    3,981,344,016.80/5,972,016,025.20 = 1,221,399,005.60/x
  3. Step 3: Cross multiply
    3,981,344,016.80x = 5,972,016,025.20 × 1,221,399,005.60
  4. Step 4: Simplify right side
    3,981,344,016.80x = 7,294,214,434,606,543,872
  5. Step 5: Solve for x
    x = 7,294,214,434,606,543,872/3,981,344,016.80
  6. Step 6: Final answer
    x = 1,832,098,508.40

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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.