Home / 31,455,098,382.60-43,408,034,107.90-16,987,191,944.26

Finding the Fourth Proportional to 31,455,098,382.60, 43,408,034,107.90 and 16,987,191,944.26

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Solution

The fourth proportional to 31,455,098,382.60, 43,408,034,107.90 and 16,987,191,944.26 is: 23,442,323,986.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,455,098,382.60 : 43,408,034,107.90 = 16,987,191,944.26 : x
  2. Step 2: Convert to fraction form
    31,455,098,382.60/43,408,034,107.90 = 16,987,191,944.26/x
  3. Step 3: Cross multiply
    31,455,098,382.60x = 43,408,034,107.90 × 16,987,191,944.26
  4. Step 4: Simplify right side
    31,455,098,382.60x = 737,380,607,313,882,251,264
  5. Step 5: Solve for x
    x = 737,380,607,313,882,251,264/31,455,098,382.60
  6. Step 6: Final answer
    x = 23,442,323,986.56

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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.