Home / 279,046,778.76-418,288,793.04-175,489,990.56

Finding the Fourth Proportional to 279,046,778.76, 418,288,793.04 and 175,489,990.56

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Solution

The fourth proportional to 279,046,778.76, 418,288,793.04 and 175,489,990.56 is: 263,058,031.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,046,778.76 : 418,288,793.04 = 175,489,990.56 : x
  2. Step 2: Convert to fraction form
    279,046,778.76/418,288,793.04 = 175,489,990.56/x
  3. Step 3: Cross multiply
    279,046,778.76x = 418,288,793.04 × 175,489,990.56
  4. Step 4: Simplify right side
    279,046,778.76x = 73,405,496,341,943,392
  5. Step 5: Solve for x
    x = 73,405,496,341,943,392/279,046,778.76
  6. Step 6: Final answer
    x = 263,058,031.59

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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.