Home / 260,657,514,577.24-390,775,278,962.40-81,491,277,375.76

Finding the Fourth Proportional to 260,657,514,577.24, 390,775,278,962.40 and 81,491,277,375.76

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Solution

The fourth proportional to 260,657,514,577.24, 390,775,278,962.40 and 81,491,277,375.76 is: 122,170,951,799.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,657,514,577.24 : 390,775,278,962.40 = 81,491,277,375.76 : x
  2. Step 2: Convert to fraction form
    260,657,514,577.24/390,775,278,962.40 = 81,491,277,375.76/x
  3. Step 3: Cross multiply
    260,657,514,577.24x = 390,775,278,962.40 × 81,491,277,375.76
  4. Step 4: Simplify right side
    260,657,514,577.24x = 31,844,776,649,514,930,929,664
  5. Step 5: Solve for x
    x = 31,844,776,649,514,930,929,664/260,657,514,577.24
  6. Step 6: Final answer
    x = 122,170,951,799.20

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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.