Home / 8,167,375,344.60-12,251,063,016.90-7,985,976,816.60

Finding the Fourth Proportional to 8,167,375,344.60, 12,251,063,016.90 and 7,985,976,816.60

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Solution

The fourth proportional to 8,167,375,344.60, 12,251,063,016.90 and 7,985,976,816.60 is: 11,978,965,224.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,167,375,344.60 : 12,251,063,016.90 = 7,985,976,816.60 : x
  2. Step 2: Convert to fraction form
    8,167,375,344.60/12,251,063,016.90 = 7,985,976,816.60/x
  3. Step 3: Cross multiply
    8,167,375,344.60x = 12,251,063,016.90 × 7,985,976,816.60
  4. Step 4: Simplify right side
    8,167,375,344.60x = 97,836,705,231,669,051,392
  5. Step 5: Solve for x
    x = 97,836,705,231,669,051,392/8,167,375,344.60
  6. Step 6: Final answer
    x = 11,978,965,224.90

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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.