Home / 318,976,267.20-478,464,400.80-196,532,260.80

Finding the Fourth Proportional to 318,976,267.20, 478,464,400.80 and 196,532,260.80

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Solution

The fourth proportional to 318,976,267.20, 478,464,400.80 and 196,532,260.80 is: 294,798,391.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,976,267.20 : 478,464,400.80 = 196,532,260.80 : x
  2. Step 2: Convert to fraction form
    318,976,267.20/478,464,400.80 = 196,532,260.80/x
  3. Step 3: Cross multiply
    318,976,267.20x = 478,464,400.80 × 196,532,260.80
  4. Step 4: Simplify right side
    318,976,267.20x = 94,033,690,401,541,344
  5. Step 5: Solve for x
    x = 94,033,690,401,541,344/318,976,267.20
  6. Step 6: Final answer
    x = 294,798,391.20

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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.