Home / 400,231,638.12-600,450,963.32-234,375,212.12

Finding the Fourth Proportional to 400,231,638.12, 600,450,963.32 and 234,375,212.12

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Solution

The fourth proportional to 400,231,638.12, 600,450,963.32 and 234,375,212.12 is: 351,623,431.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,231,638.12 : 600,450,963.32 = 234,375,212.12 : x
  2. Step 2: Convert to fraction form
    400,231,638.12/600,450,963.32 = 234,375,212.12/x
  3. Step 3: Cross multiply
    400,231,638.12x = 600,450,963.32 × 234,375,212.12
  4. Step 4: Simplify right side
    400,231,638.12x = 140,730,821,895,783,360
  5. Step 5: Solve for x
    x = 140,730,821,895,783,360/400,231,638.12
  6. Step 6: Final answer
    x = 351,623,431.26

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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.