Home / 327,060,879.30-490,339,865.39-169,324,800.57

Finding the Fourth Proportional to 327,060,879.30, 490,339,865.39 and 169,324,800.57

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Solution

The fourth proportional to 327,060,879.30, 490,339,865.39 and 169,324,800.57 is: 253,857,019.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,060,879.30 : 490,339,865.39 = 169,324,800.57 : x
  2. Step 2: Convert to fraction form
    327,060,879.30/490,339,865.39 = 169,324,800.57/x
  3. Step 3: Cross multiply
    327,060,879.30x = 490,339,865.39 × 169,324,800.57
  4. Step 4: Simplify right side
    327,060,879.30x = 83,026,699,917,835,760
  5. Step 5: Solve for x
    x = 83,026,699,917,835,760/327,060,879.30
  6. Step 6: Final answer
    x = 253,857,019.21

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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.