Home / 405,753,625.50-559,940,003.19-231,917,101.98

Finding the Fourth Proportional to 405,753,625.50, 559,940,003.19 and 231,917,101.98

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Solution

The fourth proportional to 405,753,625.50, 559,940,003.19 and 231,917,101.98 is: 320,045,600.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,753,625.50 : 559,940,003.19 = 231,917,101.98 : x
  2. Step 2: Convert to fraction form
    405,753,625.50/559,940,003.19 = 231,917,101.98/x
  3. Step 3: Cross multiply
    405,753,625.50x = 559,940,003.19 × 231,917,101.98
  4. Step 4: Simplify right side
    405,753,625.50x = 129,859,662,822,496,768
  5. Step 5: Solve for x
    x = 129,859,662,822,496,768/405,753,625.50
  6. Step 6: Final answer
    x = 320,045,600.73

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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.