Home / 18,956,217,249.58-26,146,983,694.80-12,190,589,332.66

Finding the Fourth Proportional to 18,956,217,249.58, 26,146,983,694.80 and 12,190,589,332.66

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Solution

The fourth proportional to 18,956,217,249.58, 26,146,983,694.80 and 12,190,589,332.66 is: 16,814,912,823.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,956,217,249.58 : 26,146,983,694.80 = 12,190,589,332.66 : x
  2. Step 2: Convert to fraction form
    18,956,217,249.58/26,146,983,694.80 = 12,190,589,332.66/x
  3. Step 3: Cross multiply
    18,956,217,249.58x = 26,146,983,694.80 × 12,190,589,332.66
  4. Step 4: Simplify right side
    18,956,217,249.58x = 318,747,140,511,063,801,856
  5. Step 5: Solve for x
    x = 318,747,140,511,063,801,856/18,956,217,249.58
  6. Step 6: Final answer
    x = 16,814,912,823.29

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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.