Home / 27,844,693,017.79-38,425,680,509.79-15,157,524,998.65

Finding the Fourth Proportional to 27,844,693,017.79, 38,425,680,509.79 and 15,157,524,998.65

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Solution

The fourth proportional to 27,844,693,017.79, 38,425,680,509.79 and 15,157,524,998.65 is: 20,917,386,754.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,844,693,017.79 : 38,425,680,509.79 = 15,157,524,998.65 : x
  2. Step 2: Convert to fraction form
    27,844,693,017.79/38,425,680,509.79 = 15,157,524,998.65/x
  3. Step 3: Cross multiply
    27,844,693,017.79x = 38,425,680,509.79 × 15,157,524,998.65
  4. Step 4: Simplify right side
    27,844,693,017.79x = 582,438,212,917,279,981,568
  5. Step 5: Solve for x
    x = 582,438,212,917,279,981,568/27,844,693,017.79
  6. Step 6: Final answer
    x = 20,917,386,754.64

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Double scale
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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.