Home / 269,414,385.80-404,121,578.70-243,586,353.20

Finding the Fourth Proportional to 269,414,385.80, 404,121,578.70 and 243,586,353.20

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Solution

The fourth proportional to 269,414,385.80, 404,121,578.70 and 243,586,353.20 is: 365,379,529.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,414,385.80 : 404,121,578.70 = 243,586,353.20 : x
  2. Step 2: Convert to fraction form
    269,414,385.80/404,121,578.70 = 243,586,353.20/x
  3. Step 3: Cross multiply
    269,414,385.80x = 404,121,578.70 × 243,586,353.20
  4. Step 4: Simplify right side
    269,414,385.80x = 98,438,501,604,959,792
  5. Step 5: Solve for x
    x = 98,438,501,604,959,792/269,414,385.80
  6. Step 6: Final answer
    x = 365,379,529.80

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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.