Home / 658,682,176.88-987,926,078.79-192,218,354.94

Finding the Fourth Proportional to 658,682,176.88, 987,926,078.79 and 192,218,354.94

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Solution

The fourth proportional to 658,682,176.88, 987,926,078.79 and 192,218,354.94 is: 288,299,171.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,682,176.88 : 987,926,078.79 = 192,218,354.94 : x
  2. Step 2: Convert to fraction form
    658,682,176.88/987,926,078.79 = 192,218,354.94/x
  3. Step 3: Cross multiply
    658,682,176.88x = 987,926,078.79 × 192,218,354.94
  4. Step 4: Simplify right side
    658,682,176.88x = 189,897,525,667,338,624
  5. Step 5: Solve for x
    x = 189,897,525,667,338,624/658,682,176.88
  6. Step 6: Final answer
    x = 288,299,171.18

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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.