Home / 257,499,008.40-386,248,512.60-229,438,923.60

Finding the Fourth Proportional to 257,499,008.40, 386,248,512.60 and 229,438,923.60

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Solution

The fourth proportional to 257,499,008.40, 386,248,512.60 and 229,438,923.60 is: 344,158,385.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,499,008.40 : 386,248,512.60 = 229,438,923.60 : x
  2. Step 2: Convert to fraction form
    257,499,008.40/386,248,512.60 = 229,438,923.60/x
  3. Step 3: Cross multiply
    257,499,008.40x = 386,248,512.60 × 229,438,923.60
  4. Step 4: Simplify right side
    257,499,008.40x = 88,620,442,973,045,040
  5. Step 5: Solve for x
    x = 88,620,442,973,045,040/257,499,008.40
  6. Step 6: Final answer
    x = 344,158,385.40

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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.