Home / 422,451,578.20-633,677,367.30-320,414,906.20

Finding the Fourth Proportional to 422,451,578.20, 633,677,367.30 and 320,414,906.20

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Solution

The fourth proportional to 422,451,578.20, 633,677,367.30 and 320,414,906.20 is: 480,622,359.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,451,578.20 : 633,677,367.30 = 320,414,906.20 : x
  2. Step 2: Convert to fraction form
    422,451,578.20/633,677,367.30 = 320,414,906.20/x
  3. Step 3: Cross multiply
    422,451,578.20x = 633,677,367.30 × 320,414,906.20
  4. Step 4: Simplify right side
    422,451,578.20x = 203,039,674,204,492,416
  5. Step 5: Solve for x
    x = 203,039,674,204,492,416/422,451,578.20
  6. Step 6: Final answer
    x = 480,622,359.30

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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.