Home / 537,120,067.20-805,680,100.80-281,785,257.60

Finding the Fourth Proportional to 537,120,067.20, 805,680,100.80 and 281,785,257.60

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Solution

The fourth proportional to 537,120,067.20, 805,680,100.80 and 281,785,257.60 is: 422,677,886.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,120,067.20 : 805,680,100.80 = 281,785,257.60 : x
  2. Step 2: Convert to fraction form
    537,120,067.20/805,680,100.80 = 281,785,257.60/x
  3. Step 3: Cross multiply
    537,120,067.20x = 805,680,100.80 × 281,785,257.60
  4. Step 4: Simplify right side
    537,120,067.20x = 227,028,774,747,121,984
  5. Step 5: Solve for x
    x = 227,028,774,747,121,984/537,120,067.20
  6. Step 6: Final answer
    x = 422,677,886.40

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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.