Home / 449,419,939.20-674,633,793.60-347,635,209.60

Finding the Fourth Proportional to 449,419,939.20, 674,633,793.60 and 347,635,209.60

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Solution

The fourth proportional to 449,419,939.20, 674,633,793.60 and 347,635,209.60 is: 521,842,579.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,419,939.20 : 674,633,793.60 = 347,635,209.60 : x
  2. Step 2: Convert to fraction form
    449,419,939.20/674,633,793.60 = 347,635,209.60/x
  3. Step 3: Cross multiply
    449,419,939.20x = 674,633,793.60 × 347,635,209.60
  4. Step 4: Simplify right side
    449,419,939.20x = 234,526,460,241,379,168
  5. Step 5: Solve for x
    x = 234,526,460,241,379,168/449,419,939.20
  6. Step 6: Final answer
    x = 521,842,579.26

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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.