Home / 31,455,098,400.65-43,408,034,132.78-16,987,191,962.32

Finding the Fourth Proportional to 31,455,098,400.65, 43,408,034,132.78 and 16,987,191,962.32

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Solution

The fourth proportional to 31,455,098,400.65, 43,408,034,132.78 and 16,987,191,962.32 is: 23,442,324,011.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,455,098,400.65 : 43,408,034,132.78 = 16,987,191,962.32 : x
  2. Step 2: Convert to fraction form
    31,455,098,400.65/43,408,034,132.78 = 16,987,191,962.32/x
  3. Step 3: Cross multiply
    31,455,098,400.65x = 43,408,034,132.78 × 16,987,191,962.32
  4. Step 4: Simplify right side
    31,455,098,400.65x = 737,380,608,520,472,625,152
  5. Step 5: Solve for x
    x = 737,380,608,520,472,625,152/31,455,098,400.65
  6. Step 6: Final answer
    x = 23,442,324,011.46

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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.