Home / 31,455,098,397.90-43,408,034,128.98-16,987,191,959.57

Finding the Fourth Proportional to 31,455,098,397.90, 43,408,034,128.98 and 16,987,191,959.57

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Solution

The fourth proportional to 31,455,098,397.90, 43,408,034,128.98 and 16,987,191,959.57 is: 23,442,324,007.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,455,098,397.90 : 43,408,034,128.98 = 16,987,191,959.57 : x
  2. Step 2: Convert to fraction form
    31,455,098,397.90/43,408,034,128.98 = 16,987,191,959.57/x
  3. Step 3: Cross multiply
    31,455,098,397.90x = 43,408,034,128.98 × 16,987,191,959.57
  4. Step 4: Simplify right side
    31,455,098,397.90x = 737,380,608,336,332,193,792
  5. Step 5: Solve for x
    x = 737,380,608,336,332,193,792/31,455,098,397.90
  6. Step 6: Final answer
    x = 23,442,324,007.66

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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.