Home / 405,753,626.25-559,940,004.23-231,917,102.73

Finding the Fourth Proportional to 405,753,626.25, 559,940,004.23 and 231,917,102.73

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Solution

The fourth proportional to 405,753,626.25, 559,940,004.23 and 231,917,102.73 is: 320,045,601.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,753,626.25 : 559,940,004.23 = 231,917,102.73 : x
  2. Step 2: Convert to fraction form
    405,753,626.25/559,940,004.23 = 231,917,102.73/x
  3. Step 3: Cross multiply
    405,753,626.25x = 559,940,004.23 × 231,917,102.73
  4. Step 4: Simplify right side
    405,753,626.25x = 129,859,663,482,485,952
  5. Step 5: Solve for x
    x = 129,859,663,482,485,952/405,753,626.25
  6. Step 6: Final answer
    x = 320,045,601.77

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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.