Home / 31,455,098,392.61-43,408,034,121.72-16,987,191,954.27

Finding the Fourth Proportional to 31,455,098,392.61, 43,408,034,121.72 and 16,987,191,954.27

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Solution

The fourth proportional to 31,455,098,392.61, 43,408,034,121.72 and 16,987,191,954.27 is: 23,442,324,000.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,455,098,392.61 : 43,408,034,121.72 = 16,987,191,954.27 : x
  2. Step 2: Convert to fraction form
    31,455,098,392.61/43,408,034,121.72 = 16,987,191,954.27/x
  3. Step 3: Cross multiply
    31,455,098,392.61x = 43,408,034,121.72 × 16,987,191,954.27
  4. Step 4: Simplify right side
    31,455,098,392.61x = 737,380,607,983,159,607,296
  5. Step 5: Solve for x
    x = 737,380,607,983,159,607,296/31,455,098,392.61
  6. Step 6: Final answer
    x = 23,442,324,000.38

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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.