Home / 331,274,483.12-496,857,851.52-156,397,180.88

Finding the Fourth Proportional to 331,274,483.12, 496,857,851.52 and 156,397,180.88

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Solution

The fourth proportional to 331,274,483.12, 496,857,851.52 and 156,397,180.88 is: 234,570,337.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,274,483.12 : 496,857,851.52 = 156,397,180.88 : x
  2. Step 2: Convert to fraction form
    331,274,483.12/496,857,851.52 = 156,397,180.88/x
  3. Step 3: Cross multiply
    331,274,483.12x = 496,857,851.52 × 156,397,180.88
  4. Step 4: Simplify right side
    331,274,483.12x = 77,707,167,275,821,616
  5. Step 5: Solve for x
    x = 77,707,167,275,821,616/331,274,483.12
  6. Step 6: Final answer
    x = 234,570,337.40

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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.