Home / 323,504,431.40-485,256,647.10-321,488,892.20

Finding the Fourth Proportional to 323,504,431.40, 485,256,647.10 and 321,488,892.20

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Solution

The fourth proportional to 323,504,431.40, 485,256,647.10 and 321,488,892.20 is: 482,233,338.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,504,431.40 : 485,256,647.10 = 321,488,892.20 : x
  2. Step 2: Convert to fraction form
    323,504,431.40/485,256,647.10 = 321,488,892.20/x
  3. Step 3: Cross multiply
    323,504,431.40x = 485,256,647.10 × 321,488,892.20
  4. Step 4: Simplify right side
    323,504,431.40x = 156,004,621,908,865,344
  5. Step 5: Solve for x
    x = 156,004,621,908,865,344/323,504,431.40
  6. Step 6: Final answer
    x = 482,233,338.30

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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.