Home / 327,408,720.30-491,113,080.45-163,671,748.20

Finding the Fourth Proportional to 327,408,720.30, 491,113,080.45 and 163,671,748.20

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Solution

The fourth proportional to 327,408,720.30, 491,113,080.45 and 163,671,748.20 is: 245,507,622.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,408,720.30 : 491,113,080.45 = 163,671,748.20 : x
  2. Step 2: Convert to fraction form
    327,408,720.30/491,113,080.45 = 163,671,748.20/x
  3. Step 3: Cross multiply
    327,408,720.30x = 491,113,080.45 × 163,671,748.20
  4. Step 4: Simplify right side
    327,408,720.30x = 80,381,336,441,138,736
  5. Step 5: Solve for x
    x = 80,381,336,441,138,736/327,408,720.30
  6. Step 6: Final answer
    x = 245,507,622.30

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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.