Home / 497,918,343.20-687,187,566.97-283,389,147.52

Finding the Fourth Proportional to 497,918,343.20, 687,187,566.97 and 283,389,147.52

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Solution

The fourth proportional to 497,918,343.20, 687,187,566.97 and 283,389,147.52 is: 391,111,316.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,918,343.20 : 687,187,566.97 = 283,389,147.52 : x
  2. Step 2: Convert to fraction form
    497,918,343.20/687,187,566.97 = 283,389,147.52/x
  3. Step 3: Cross multiply
    497,918,343.20x = 687,187,566.97 × 283,389,147.52
  4. Step 4: Simplify right side
    497,918,343.20x = 194,741,498,787,544,736
  5. Step 5: Solve for x
    x = 194,741,498,787,544,736/497,918,343.20
  6. Step 6: Final answer
    x = 391,111,316.64

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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.