Home / 10,865,016,007.20-16,297,524,010.80-10,558,905,991.20

Finding the Fourth Proportional to 10,865,016,007.20, 16,297,524,010.80 and 10,558,905,991.20

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Solution

The fourth proportional to 10,865,016,007.20, 16,297,524,010.80 and 10,558,905,991.20 is: 15,838,358,986.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,865,016,007.20 : 16,297,524,010.80 = 10,558,905,991.20 : x
  2. Step 2: Convert to fraction form
    10,865,016,007.20/16,297,524,010.80 = 10,558,905,991.20/x
  3. Step 3: Cross multiply
    10,865,016,007.20x = 16,297,524,010.80 × 10,558,905,991.20
  4. Step 4: Simplify right side
    10,865,016,007.20x = 172,084,023,919,361,982,464
  5. Step 5: Solve for x
    x = 172,084,023,919,361,982,464/10,865,016,007.20
  6. Step 6: Final answer
    x = 15,838,358,986.80

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Double scale
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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.