Home / 31,455,098,398.10-43,408,034,129.32-16,987,191,959.77

Finding the Fourth Proportional to 31,455,098,398.10, 43,408,034,129.32 and 16,987,191,959.77

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Solution

The fourth proportional to 31,455,098,398.10, 43,408,034,129.32 and 16,987,191,959.77 is: 23,442,324,007.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,455,098,398.10 : 43,408,034,129.32 = 16,987,191,959.77 : x
  2. Step 2: Convert to fraction form
    31,455,098,398.10/43,408,034,129.32 = 16,987,191,959.77/x
  3. Step 3: Cross multiply
    31,455,098,398.10x = 43,408,034,129.32 × 16,987,191,959.77
  4. Step 4: Simplify right side
    31,455,098,398.10x = 737,380,608,351,006,490,624
  5. Step 5: Solve for x
    x = 737,380,608,351,006,490,624/31,455,098,398.10
  6. Step 6: Final answer
    x = 23,442,324,007.98

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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.