Home / 491,042,176,631.25-677,630,992,080.15-274,271,534,649.55

Finding the Fourth Proportional to 491,042,176,631.25, 677,630,992,080.15 and 274,271,534,649.55

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Solution

The fourth proportional to 491,042,176,631.25, 677,630,992,080.15 and 274,271,534,649.55 is: 378,490,689,738.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,042,176,631.25 : 677,630,992,080.15 = 274,271,534,649.55 : x
  2. Step 2: Convert to fraction form
    491,042,176,631.25/677,630,992,080.15 = 274,271,534,649.55/x
  3. Step 3: Cross multiply
    491,042,176,631.25x = 677,630,992,080.15 × 274,271,534,649.55
  4. Step 4: Simplify right side
    491,042,176,631.25x = 185,854,892,123,919,791,161,344
  5. Step 5: Solve for x
    x = 185,854,892,123,919,791,161,344/491,042,176,631.25
  6. Step 6: Final answer
    x = 378,490,689,738.63

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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.