Home / 6,121,446,138.30-9,182,169,207.45-1,981,308,171.90

Finding the Fourth Proportional to 6,121,446,138.30, 9,182,169,207.45 and 1,981,308,171.90

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Solution

The fourth proportional to 6,121,446,138.30, 9,182,169,207.45 and 1,981,308,171.90 is: 2,971,962,257.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,121,446,138.30 : 9,182,169,207.45 = 1,981,308,171.90 : x
  2. Step 2: Convert to fraction form
    6,121,446,138.30/9,182,169,207.45 = 1,981,308,171.90/x
  3. Step 3: Cross multiply
    6,121,446,138.30x = 9,182,169,207.45 × 1,981,308,171.90
  4. Step 4: Simplify right side
    6,121,446,138.30x = 18,192,706,886,489,233,408
  5. Step 5: Solve for x
    x = 18,192,706,886,489,233,408/6,121,446,138.30
  6. Step 6: Final answer
    x = 2,971,962,257.85

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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.