Home / 3,981,344,006.20-5,972,016,009.30-1,942,912,262.20

Finding the Fourth Proportional to 3,981,344,006.20, 5,972,016,009.30 and 1,942,912,262.20

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Solution

The fourth proportional to 3,981,344,006.20, 5,972,016,009.30 and 1,942,912,262.20 is: 2,914,368,393.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,981,344,006.20 : 5,972,016,009.30 = 1,942,912,262.20 : x
  2. Step 2: Convert to fraction form
    3,981,344,006.20/5,972,016,009.30 = 1,942,912,262.20/x
  3. Step 3: Cross multiply
    3,981,344,006.20x = 5,972,016,009.30 × 1,942,912,262.20
  4. Step 4: Simplify right side
    3,981,344,006.20x = 11,603,103,134,523,680,768
  5. Step 5: Solve for x
    x = 11,603,103,134,523,680,768/3,981,344,006.20
  6. Step 6: Final answer
    x = 2,914,368,393.30

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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.