Home / 490,664,974.40-735,997,461.60-327,406,299.20

Finding the Fourth Proportional to 490,664,974.40, 735,997,461.60 and 327,406,299.20

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Solution

The fourth proportional to 490,664,974.40, 735,997,461.60 and 327,406,299.20 is: 491,109,448.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,664,974.40 : 735,997,461.60 = 327,406,299.20 : x
  2. Step 2: Convert to fraction form
    490,664,974.40/735,997,461.60 = 327,406,299.20/x
  3. Step 3: Cross multiply
    490,664,974.40x = 735,997,461.60 × 327,406,299.20
  4. Step 4: Simplify right side
    490,664,974.40x = 240,970,205,123,050,112
  5. Step 5: Solve for x
    x = 240,970,205,123,050,112/490,664,974.40
  6. Step 6: Final answer
    x = 491,109,448.80

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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.