Home / 363,789,915.30-545,764,589.10-179,645,608.80

Finding the Fourth Proportional to 363,789,915.30, 545,764,589.10 and 179,645,608.80

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Solution

The fourth proportional to 363,789,915.30, 545,764,589.10 and 179,645,608.80 is: 269,507,778.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,789,915.30 : 545,764,589.10 = 179,645,608.80 : x
  2. Step 2: Convert to fraction form
    363,789,915.30/545,764,589.10 = 179,645,608.80/x
  3. Step 3: Cross multiply
    363,789,915.30x = 545,764,589.10 × 179,645,608.80
  4. Step 4: Simplify right side
    363,789,915.30x = 98,044,211,870,351,360
  5. Step 5: Solve for x
    x = 98,044,211,870,351,360/363,789,915.30
  6. Step 6: Final answer
    x = 269,507,778.38

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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.