Home / 279,046,391.54-418,288,213.78-175,489,604.78

Finding the Fourth Proportional to 279,046,391.54, 418,288,213.78 and 175,489,604.78

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Solution

The fourth proportional to 279,046,391.54, 418,288,213.78 and 175,489,604.78 is: 263,057,454.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,046,391.54 : 418,288,213.78 = 175,489,604.78 : x
  2. Step 2: Convert to fraction form
    279,046,391.54/418,288,213.78 = 175,489,604.78/x
  3. Step 3: Cross multiply
    279,046,391.54x = 418,288,213.78 × 175,489,604.78
  4. Step 4: Simplify right side
    279,046,391.54x = 73,405,233,317,854,176
  5. Step 5: Solve for x
    x = 73,405,233,317,854,176/279,046,391.54
  6. Step 6: Final answer
    x = 263,057,454.05

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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.