Home / 491,273,118.50-677,960,181.05-268,256,348.64

Finding the Fourth Proportional to 491,273,118.50, 677,960,181.05 and 268,256,348.64

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Solution

The fourth proportional to 491,273,118.50, 677,960,181.05 and 268,256,348.64 is: 370,195,550.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,273,118.50 : 677,960,181.05 = 268,256,348.64 : x
  2. Step 2: Convert to fraction form
    491,273,118.50/677,960,181.05 = 268,256,348.64/x
  3. Step 3: Cross multiply
    491,273,118.50x = 677,960,181.05 × 268,256,348.64
  4. Step 4: Simplify right side
    491,273,118.50x = 181,867,122,690,445,024
  5. Step 5: Solve for x
    x = 181,867,122,690,445,024/491,273,118.50
  6. Step 6: Final answer
    x = 370,195,550.79

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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.