Home / 497,918,338.52-687,187,560.53-283,389,142.82

Finding the Fourth Proportional to 497,918,338.52, 687,187,560.53 and 283,389,142.82

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Solution

The fourth proportional to 497,918,338.52, 687,187,560.53 and 283,389,142.82 is: 391,111,310.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,918,338.52 : 687,187,560.53 = 283,389,142.82 : x
  2. Step 2: Convert to fraction form
    497,918,338.52/687,187,560.53 = 283,389,142.82/x
  3. Step 3: Cross multiply
    497,918,338.52x = 687,187,560.53 × 283,389,142.82
  4. Step 4: Simplify right side
    497,918,338.52x = 194,741,493,735,163,552
  5. Step 5: Solve for x
    x = 194,741,493,735,163,552/497,918,338.52
  6. Step 6: Final answer
    x = 391,111,310.17

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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.