Home / 279,097,974.40-418,049,764.80-248,840,003.20

Finding the Fourth Proportional to 279,097,974.40, 418,049,764.80 and 248,840,003.20

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Solution

The fourth proportional to 279,097,974.40, 418,049,764.80 and 248,840,003.20 is: 372,727,552.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,097,974.40 : 418,049,764.80 = 248,840,003.20 : x
  2. Step 2: Convert to fraction form
    279,097,974.40/418,049,764.80 = 248,840,003.20/x
  3. Step 3: Cross multiply
    279,097,974.40x = 418,049,764.80 × 248,840,003.20
  4. Step 4: Simplify right side
    279,097,974.40x = 104,027,504,810,591,248
  5. Step 5: Solve for x
    x = 104,027,504,810,591,248/279,097,974.40
  6. Step 6: Final answer
    x = 372,727,552.16

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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.