Home / 3,981,344,005.80-5,972,016,008.70-1,221,398,994.60

Finding the Fourth Proportional to 3,981,344,005.80, 5,972,016,008.70 and 1,221,398,994.60

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Solution

The fourth proportional to 3,981,344,005.80, 5,972,016,008.70 and 1,221,398,994.60 is: 1,832,098,491.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,981,344,005.80 : 5,972,016,008.70 = 1,221,398,994.60 : x
  2. Step 2: Convert to fraction form
    3,981,344,005.80/5,972,016,008.70 = 1,221,398,994.60/x
  3. Step 3: Cross multiply
    3,981,344,005.80x = 5,972,016,008.70 × 1,221,398,994.60
  4. Step 4: Simplify right side
    3,981,344,005.80x = 7,294,214,348,761,283,584
  5. Step 5: Solve for x
    x = 7,294,214,348,761,283,584/3,981,344,005.80
  6. Step 6: Final answer
    x = 1,832,098,491.90

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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.