Home / 658,682,170.38-987,926,069.04-192,218,348.43

Finding the Fourth Proportional to 658,682,170.38, 987,926,069.04 and 192,218,348.43

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Solution

The fourth proportional to 658,682,170.38, 987,926,069.04 and 192,218,348.43 is: 288,299,161.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,682,170.38 : 987,926,069.04 = 192,218,348.43 : x
  2. Step 2: Convert to fraction form
    658,682,170.38/987,926,069.04 = 192,218,348.43/x
  3. Step 3: Cross multiply
    658,682,170.38x = 987,926,069.04 × 192,218,348.43
  4. Step 4: Simplify right side
    658,682,170.38x = 189,897,517,361,090,144
  5. Step 5: Solve for x
    x = 189,897,517,361,090,144/658,682,170.38
  6. Step 6: Final answer
    x = 288,299,161.42

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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.