Home / 499,957,003.49-749,971,377.50-172,427,700.24

Finding the Fourth Proportional to 499,957,003.49, 749,971,377.50 and 172,427,700.24

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Solution

The fourth proportional to 499,957,003.49, 749,971,377.50 and 172,427,700.24 is: 258,653,922.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,957,003.49 : 749,971,377.50 = 172,427,700.24 : x
  2. Step 2: Convert to fraction form
    499,957,003.49/749,971,377.50 = 172,427,700.24/x
  3. Step 3: Cross multiply
    499,957,003.49x = 749,971,377.50 × 172,427,700.24
  4. Step 4: Simplify right side
    499,957,003.49x = 129,315,839,867,287,744
  5. Step 5: Solve for x
    x = 129,315,839,867,287,744/499,957,003.49
  6. Step 6: Final answer
    x = 258,653,922.17

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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.