Home / 298,060,528.11-411,253,167.90-250,556,391.89

Finding the Fourth Proportional to 298,060,528.11, 411,253,167.90 and 250,556,391.89

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Solution

The fourth proportional to 298,060,528.11, 411,253,167.90 and 250,556,391.89 is: 345,708,673.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,060,528.11 : 411,253,167.90 = 250,556,391.89 : x
  2. Step 2: Convert to fraction form
    298,060,528.11/411,253,167.90 = 250,556,391.89/x
  3. Step 3: Cross multiply
    298,060,528.11x = 411,253,167.90 × 250,556,391.89
  4. Step 4: Simplify right side
    298,060,528.11x = 103,042,109,902,781,888
  5. Step 5: Solve for x
    x = 103,042,109,902,781,888/298,060,528.11
  6. Step 6: Final answer
    x = 345,708,673.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.