Home / 279,632,249.56-386,057,849.88-248,606,575.84

Finding the Fourth Proportional to 279,632,249.56, 386,057,849.88 and 248,606,575.84

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Solution

The fourth proportional to 279,632,249.56, 386,057,849.88 and 248,606,575.84 is: 343,224,074.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,632,249.56 : 386,057,849.88 = 248,606,575.84 : x
  2. Step 2: Convert to fraction form
    279,632,249.56/386,057,849.88 = 248,606,575.84/x
  3. Step 3: Cross multiply
    279,632,249.56x = 386,057,849.88 × 248,606,575.84
  4. Step 4: Simplify right side
    279,632,249.56x = 95,976,520,134,819,552
  5. Step 5: Solve for x
    x = 95,976,520,134,819,552/279,632,249.56
  6. Step 6: Final answer
    x = 343,224,074.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.