Home / 664,605,217.10-996,907,825.65-320,231,449.10

Finding the Fourth Proportional to 664,605,217.10, 996,907,825.65 and 320,231,449.10

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Solution

The fourth proportional to 664,605,217.10, 996,907,825.65 and 320,231,449.10 is: 480,347,173.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,605,217.10 : 996,907,825.65 = 320,231,449.10 : x
  2. Step 2: Convert to fraction form
    664,605,217.10/996,907,825.65 = 320,231,449.10/x
  3. Step 3: Cross multiply
    664,605,217.10x = 996,907,825.65 × 320,231,449.10
  4. Step 4: Simplify right side
    664,605,217.10x = 319,241,237,627,029,696
  5. Step 5: Solve for x
    x = 319,241,237,627,029,696/664,605,217.10
  6. Step 6: Final answer
    x = 480,347,173.65

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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.