Home / 490,082,531.40-735,123,797.10-379,117,650.60

Finding the Fourth Proportional to 490,082,531.40, 735,123,797.10 and 379,117,650.60

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Solution

The fourth proportional to 490,082,531.40, 735,123,797.10 and 379,117,650.60 is: 568,676,475.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,082,531.40 : 735,123,797.10 = 379,117,650.60 : x
  2. Step 2: Convert to fraction form
    490,082,531.40/735,123,797.10 = 379,117,650.60/x
  3. Step 3: Cross multiply
    490,082,531.40x = 735,123,797.10 × 379,117,650.60
  4. Step 4: Simplify right side
    490,082,531.40x = 278,698,406,856,703,104
  5. Step 5: Solve for x
    x = 278,698,406,856,703,104/490,082,531.40
  6. Step 6: Final answer
    x = 568,676,475.90

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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.