Home / 543,999,104.70-815,918,940.89-267,576,121.08

Finding the Fourth Proportional to 543,999,104.70, 815,918,940.89 and 267,576,121.08

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Solution

The fourth proportional to 543,999,104.70, 815,918,940.89 and 267,576,121.08 is: 401,324,971.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,999,104.70 : 815,918,940.89 = 267,576,121.08 : x
  2. Step 2: Convert to fraction form
    543,999,104.70/815,918,940.89 = 267,576,121.08/x
  3. Step 3: Cross multiply
    543,999,104.70x = 815,918,940.89 × 267,576,121.08
  4. Step 4: Simplify right side
    543,999,104.70x = 218,320,425,317,921,888
  5. Step 5: Solve for x
    x = 218,320,425,317,921,888/543,999,104.70
  6. Step 6: Final answer
    x = 401,324,971.73

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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.