Home / 27,844,693,016.07-38,425,680,507.42-15,157,524,996.93

Finding the Fourth Proportional to 27,844,693,016.07, 38,425,680,507.42 and 15,157,524,996.93

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Solution

The fourth proportional to 27,844,693,016.07, 38,425,680,507.42 and 15,157,524,996.93 is: 20,917,386,752.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,844,693,016.07 : 38,425,680,507.42 = 15,157,524,996.93 : x
  2. Step 2: Convert to fraction form
    27,844,693,016.07/38,425,680,507.42 = 15,157,524,996.93/x
  3. Step 3: Cross multiply
    27,844,693,016.07x = 38,425,680,507.42 × 15,157,524,996.93
  4. Step 4: Simplify right side
    27,844,693,016.07x = 582,438,212,815,264,481,280
  5. Step 5: Solve for x
    x = 582,438,212,815,264,481,280/27,844,693,016.07
  6. Step 6: Final answer
    x = 20,917,386,752.27

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Double scale
Find fourth proportional to 27,844,693,017.07, 38,425,680,508.80 and 15,157,524,997.93
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1.5x scale

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.