Home / 494,802,540.12-682,808,797.50-274,800,137.88

Finding the Fourth Proportional to 494,802,540.12, 682,808,797.50 and 274,800,137.88

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Solution

The fourth proportional to 494,802,540.12, 682,808,797.50 and 274,800,137.88 is: 379,213,800.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,802,540.12 : 682,808,797.50 = 274,800,137.88 : x
  2. Step 2: Convert to fraction form
    494,802,540.12/682,808,797.50 = 274,800,137.88/x
  3. Step 3: Cross multiply
    494,802,540.12x = 682,808,797.50 × 274,800,137.88
  4. Step 4: Simplify right side
    494,802,540.12x = 187,635,951,698,676,992
  5. Step 5: Solve for x
    x = 187,635,951,698,676,992/494,802,540.12
  6. Step 6: Final answer
    x = 379,213,800.42

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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.