Home / 18,187,557,770.70-27,281,336,656.05-8,877,278,321.10

Finding the Fourth Proportional to 18,187,557,770.70, 27,281,336,656.05 and 8,877,278,321.10

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Solution

The fourth proportional to 18,187,557,770.70, 27,281,336,656.05 and 8,877,278,321.10 is: 13,315,917,481.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,187,557,770.70 : 27,281,336,656.05 = 8,877,278,321.10 : x
  2. Step 2: Convert to fraction form
    18,187,557,770.70/27,281,336,656.05 = 8,877,278,321.10/x
  3. Step 3: Cross multiply
    18,187,557,770.70x = 27,281,336,656.05 × 8,877,278,321.10
  4. Step 4: Simplify right side
    18,187,557,770.70x = 242,184,018,467,383,443,456
  5. Step 5: Solve for x
    x = 242,184,018,467,383,443,456/18,187,557,770.70
  6. Step 6: Final answer
    x = 13,315,917,481.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.