Home / 327,456,438.30-491,184,657.45-163,719,466.20

Finding the Fourth Proportional to 327,456,438.30, 491,184,657.45 and 163,719,466.20

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Solution

The fourth proportional to 327,456,438.30, 491,184,657.45 and 163,719,466.20 is: 245,579,199.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,456,438.30 : 491,184,657.45 = 163,719,466.20 : x
  2. Step 2: Convert to fraction form
    327,456,438.30/491,184,657.45 = 163,719,466.20/x
  3. Step 3: Cross multiply
    327,456,438.30x = 491,184,657.45 × 163,719,466.20
  4. Step 4: Simplify right side
    327,456,438.30x = 80,416,489,923,343,840
  5. Step 5: Solve for x
    x = 80,416,489,923,343,840/327,456,438.30
  6. Step 6: Final answer
    x = 245,579,199.30

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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.