Home / 490,665,167.40-735,997,751.10-327,406,492.20

Finding the Fourth Proportional to 490,665,167.40, 735,997,751.10 and 327,406,492.20

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Solution

The fourth proportional to 490,665,167.40, 735,997,751.10 and 327,406,492.20 is: 491,109,738.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,665,167.40 : 735,997,751.10 = 327,406,492.20 : x
  2. Step 2: Convert to fraction form
    490,665,167.40/735,997,751.10 = 327,406,492.20/x
  3. Step 3: Cross multiply
    490,665,167.40x = 735,997,751.10 × 327,406,492.20
  4. Step 4: Simplify right side
    490,665,167.40x = 240,970,441,954,739,680
  5. Step 5: Solve for x
    x = 240,970,441,954,739,680/490,665,167.40
  6. Step 6: Final answer
    x = 491,109,738.30

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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.