Home / 327,745,803.20-491,476,987.20-163,920,257.60

Finding the Fourth Proportional to 327,745,803.20, 491,476,987.20 and 163,920,257.60

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Solution

The fourth proportional to 327,745,803.20, 491,476,987.20 and 163,920,257.60 is: 245,809,507.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,745,803.20 : 491,476,987.20 = 163,920,257.60 : x
  2. Step 2: Convert to fraction form
    327,745,803.20/491,476,987.20 = 163,920,257.60/x
  3. Step 3: Cross multiply
    327,745,803.20x = 491,476,987.20 × 163,920,257.60
  4. Step 4: Simplify right side
    327,745,803.20x = 80,563,034,346,295,904
  5. Step 5: Solve for x
    x = 80,563,034,346,295,904/327,745,803.20
  6. Step 6: Final answer
    x = 245,809,507.12

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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.