Home / 664,605,224.10-996,907,836.15-320,231,456.10

Finding the Fourth Proportional to 664,605,224.10, 996,907,836.15 and 320,231,456.10

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Solution

The fourth proportional to 664,605,224.10, 996,907,836.15 and 320,231,456.10 is: 480,347,184.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,605,224.10 : 996,907,836.15 = 320,231,456.10 : x
  2. Step 2: Convert to fraction form
    664,605,224.10/996,907,836.15 = 320,231,456.10/x
  3. Step 3: Cross multiply
    664,605,224.10x = 996,907,836.15 × 320,231,456.10
  4. Step 4: Simplify right side
    664,605,224.10x = 319,241,247,967,814,720
  5. Step 5: Solve for x
    x = 319,241,247,967,814,720/664,605,224.10
  6. Step 6: Final answer
    x = 480,347,184.15

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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.