Home / 405,753,627.50-559,940,005.95-231,917,103.98

Finding the Fourth Proportional to 405,753,627.50, 559,940,005.95 and 231,917,103.98

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Solution

The fourth proportional to 405,753,627.50, 559,940,005.95 and 231,917,103.98 is: 320,045,603.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,753,627.50 : 559,940,005.95 = 231,917,103.98 : x
  2. Step 2: Convert to fraction form
    405,753,627.50/559,940,005.95 = 231,917,103.98/x
  3. Step 3: Cross multiply
    405,753,627.50x = 559,940,005.95 × 231,917,103.98
  4. Step 4: Simplify right side
    405,753,627.50x = 129,859,664,582,467,968
  5. Step 5: Solve for x
    x = 129,859,664,582,467,968/405,753,627.50
  6. Step 6: Final answer
    x = 320,045,603.49

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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.