Home / 20,765,687,532.66-28,656,275,248.42-11,733,251,709.52

Finding the Fourth Proportional to 20,765,687,532.66, 28,656,275,248.42 and 11,733,251,709.52

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Solution

The fourth proportional to 20,765,687,532.66, 28,656,275,248.42 and 11,733,251,709.52 is: 16,191,676,293.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,765,687,532.66 : 28,656,275,248.42 = 11,733,251,709.52 : x
  2. Step 2: Convert to fraction form
    20,765,687,532.66/28,656,275,248.42 = 11,733,251,709.52/x
  3. Step 3: Cross multiply
    20,765,687,532.66x = 28,656,275,248.42 × 11,733,251,709.52
  4. Step 4: Simplify right side
    20,765,687,532.66x = 336,231,290,546,999,590,912
  5. Step 5: Solve for x
    x = 336,231,290,546,999,590,912/20,765,687,532.66
  6. Step 6: Final answer
    x = 16,191,676,293.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.