Home / 11,981,120,968.56-17,936,711,847.18-6,991,552,902

Finding the Fourth Proportional to 11,981,120,968.56, 17,936,711,847.18 and 6,991,552,902

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Solution

The fourth proportional to 11,981,120,968.56, 17,936,711,847.18 and 6,991,552,902 is: 10,466,922,927.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,981,120,968.56 : 17,936,711,847.18 = 6,991,552,902 : x
  2. Step 2: Convert to fraction form
    11,981,120,968.56/17,936,711,847.18 = 6,991,552,902/x
  3. Step 3: Cross multiply
    11,981,120,968.56x = 17,936,711,847.18 × 6,991,552,902
  4. Step 4: Simplify right side
    11,981,120,968.56x = 125,405,469,767,489,110,016
  5. Step 5: Solve for x
    x = 125,405,469,767,489,110,016/11,981,120,968.56
  6. Step 6: Final answer
    x = 10,466,922,927.88

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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.