Home / 324,299,311.20-486,448,966.80-321,276,002.40

Finding the Fourth Proportional to 324,299,311.20, 486,448,966.80 and 321,276,002.40

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Solution

The fourth proportional to 324,299,311.20, 486,448,966.80 and 321,276,002.40 is: 481,914,003.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,299,311.20 : 486,448,966.80 = 321,276,002.40 : x
  2. Step 2: Convert to fraction form
    324,299,311.20/486,448,966.80 = 321,276,002.40/x
  3. Step 3: Cross multiply
    324,299,311.20x = 486,448,966.80 × 321,276,002.40
  4. Step 4: Simplify right side
    324,299,311.20x = 156,284,379,425,114,304
  5. Step 5: Solve for x
    x = 156,284,379,425,114,304/324,299,311.20
  6. Step 6: Final answer
    x = 481,914,003.60

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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.