Home / 27,960,087,064.86-38,584,918,673.66-15,099,725,786.57

Finding the Fourth Proportional to 27,960,087,064.86, 38,584,918,673.66 and 15,099,725,786.57

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Solution

The fourth proportional to 27,960,087,064.86, 38,584,918,673.66 and 15,099,725,786.57 is: 20,837,620,788.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,960,087,064.86 : 38,584,918,673.66 = 15,099,725,786.57 : x
  2. Step 2: Convert to fraction form
    27,960,087,064.86/38,584,918,673.66 = 15,099,725,786.57/x
  3. Step 3: Cross multiply
    27,960,087,064.86x = 38,584,918,673.66 × 15,099,725,786.57
  4. Step 4: Simplify right side
    27,960,087,064.86x = 582,621,691,469,376,978,944
  5. Step 5: Solve for x
    x = 582,621,691,469,376,978,944/27,960,087,064.86
  6. Step 6: Final answer
    x = 20,837,620,788.44

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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.