Home / 31,455,098,383.60-43,408,034,109.28-16,987,191,945.26

Finding the Fourth Proportional to 31,455,098,383.60, 43,408,034,109.28 and 16,987,191,945.26

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Solution

The fourth proportional to 31,455,098,383.60, 43,408,034,109.28 and 16,987,191,945.26 is: 23,442,323,987.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,455,098,383.60 : 43,408,034,109.28 = 16,987,191,945.26 : x
  2. Step 2: Convert to fraction form
    31,455,098,383.60/43,408,034,109.28 = 16,987,191,945.26/x
  3. Step 3: Cross multiply
    31,455,098,383.60x = 43,408,034,109.28 × 16,987,191,945.26
  4. Step 4: Simplify right side
    31,455,098,383.60x = 737,380,607,380,732,510,208
  5. Step 5: Solve for x
    x = 737,380,607,380,732,510,208/31,455,098,383.60
  6. Step 6: Final answer
    x = 23,442,323,987.94

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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.