Home / 664,605,220.10-996,907,830.15-320,231,452.10

Finding the Fourth Proportional to 664,605,220.10, 996,907,830.15 and 320,231,452.10

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Solution

The fourth proportional to 664,605,220.10, 996,907,830.15 and 320,231,452.10 is: 480,347,178.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,605,220.10 : 996,907,830.15 = 320,231,452.10 : x
  2. Step 2: Convert to fraction form
    664,605,220.10/996,907,830.15 = 320,231,452.10/x
  3. Step 3: Cross multiply
    664,605,220.10x = 996,907,830.15 × 320,231,452.10
  4. Step 4: Simplify right side
    664,605,220.10x = 319,241,242,058,794,688
  5. Step 5: Solve for x
    x = 319,241,242,058,794,688/664,605,220.10
  6. Step 6: Final answer
    x = 480,347,178.15

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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.