Home / 689,743,141.20-1,034,758,481.40-229,824,190.80

Finding the Fourth Proportional to 689,743,141.20, 1,034,758,481.40 and 229,824,190.80

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Solution

The fourth proportional to 689,743,141.20, 1,034,758,481.40 and 229,824,190.80 is: 344,784,190.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,743,141.20 : 1,034,758,481.40 = 229,824,190.80 : x
  2. Step 2: Convert to fraction form
    689,743,141.20/1,034,758,481.40 = 229,824,190.80/x
  3. Step 3: Cross multiply
    689,743,141.20x = 1,034,758,481.40 × 229,824,190.80
  4. Step 4: Simplify right side
    689,743,141.20x = 237,812,530,661,191,872
  5. Step 5: Solve for x
    x = 237,812,530,661,191,872/689,743,141.20
  6. Step 6: Final answer
    x = 344,784,190.60

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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.