Home / 658,682,173.38-987,926,073.54-192,218,351.44

Finding the Fourth Proportional to 658,682,173.38, 987,926,073.54 and 192,218,351.44

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Solution

The fourth proportional to 658,682,173.38, 987,926,073.54 and 192,218,351.44 is: 288,299,165.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,682,173.38 : 987,926,073.54 = 192,218,351.44 : x
  2. Step 2: Convert to fraction form
    658,682,173.38/987,926,073.54 = 192,218,351.44/x
  3. Step 3: Cross multiply
    658,682,173.38x = 987,926,073.54 × 192,218,351.44
  4. Step 4: Simplify right side
    658,682,173.38x = 189,897,521,200,451,008
  5. Step 5: Solve for x
    x = 189,897,521,200,451,008/658,682,173.38
  6. Step 6: Final answer
    x = 288,299,165.93

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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.