Home / 296,279,456.44-409,007,428.14-197,324,879.80

Finding the Fourth Proportional to 296,279,456.44, 409,007,428.14 and 197,324,879.80

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Solution

The fourth proportional to 296,279,456.44, 409,007,428.14 and 197,324,879.80 is: 272,402,759.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,279,456.44 : 409,007,428.14 = 197,324,879.80 : x
  2. Step 2: Convert to fraction form
    296,279,456.44/409,007,428.14 = 197,324,879.80/x
  3. Step 3: Cross multiply
    296,279,456.44x = 409,007,428.14 × 197,324,879.80
  4. Step 4: Simplify right side
    296,279,456.44x = 80,707,341,595,032,640
  5. Step 5: Solve for x
    x = 80,707,341,595,032,640/296,279,456.44
  6. Step 6: Final answer
    x = 272,402,759.76

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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.