Home / 658,682,170.19-987,926,068.76-192,218,348.24

Finding the Fourth Proportional to 658,682,170.19, 987,926,068.76 and 192,218,348.24

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Solution

The fourth proportional to 658,682,170.19, 987,926,068.76 and 192,218,348.24 is: 288,299,161.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,682,170.19 : 987,926,068.76 = 192,218,348.24 : x
  2. Step 2: Convert to fraction form
    658,682,170.19/987,926,068.76 = 192,218,348.24/x
  3. Step 3: Cross multiply
    658,682,170.19x = 987,926,068.76 × 192,218,348.24
  4. Step 4: Simplify right side
    658,682,170.19x = 189,897,517,121,792,608
  5. Step 5: Solve for x
    x = 189,897,517,121,792,608/658,682,170.19
  6. Step 6: Final answer
    x = 288,299,161.14

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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.