Home / 658,065,843.27-987,098,704.98-289,600,795.40

Finding the Fourth Proportional to 658,065,843.27, 987,098,704.98 and 289,600,795.40

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Solution

The fourth proportional to 658,065,843.27, 987,098,704.98 and 289,600,795.40 is: 434,401,166.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,065,843.27 : 987,098,704.98 = 289,600,795.40 : x
  2. Step 2: Convert to fraction form
    658,065,843.27/987,098,704.98 = 289,600,795.40/x
  3. Step 3: Cross multiply
    658,065,843.27x = 987,098,704.98 × 289,600,795.40
  4. Step 4: Simplify right side
    658,065,843.27x = 285,864,570,095,582,432
  5. Step 5: Solve for x
    x = 285,864,570,095,582,432/658,065,843.27
  6. Step 6: Final answer
    x = 434,401,166.72

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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.