Home / 379,145,114.80-568,717,672.20-321,891,204.40

Finding the Fourth Proportional to 379,145,114.80, 568,717,672.20 and 321,891,204.40

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Solution

The fourth proportional to 379,145,114.80, 568,717,672.20 and 321,891,204.40 is: 482,836,806.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,145,114.80 : 568,717,672.20 = 321,891,204.40 : x
  2. Step 2: Convert to fraction form
    379,145,114.80/568,717,672.20 = 321,891,204.40/x
  3. Step 3: Cross multiply
    379,145,114.80x = 568,717,672.20 × 321,891,204.40
  4. Step 4: Simplify right side
    379,145,114.80x = 183,065,216,468,022,400
  5. Step 5: Solve for x
    x = 183,065,216,468,022,400/379,145,114.80
  6. Step 6: Final answer
    x = 482,836,806.60

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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.