Home / 664,305,844.65-996,458,766.98-354,369,453.45

Finding the Fourth Proportional to 664,305,844.65, 996,458,766.98 and 354,369,453.45

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Solution

The fourth proportional to 664,305,844.65, 996,458,766.98 and 354,369,453.45 is: 531,554,180.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,305,844.65 : 996,458,766.98 = 354,369,453.45 : x
  2. Step 2: Convert to fraction form
    664,305,844.65/996,458,766.98 = 354,369,453.45/x
  3. Step 3: Cross multiply
    664,305,844.65x = 996,458,766.98 × 354,369,453.45
  4. Step 4: Simplify right side
    664,305,844.65x = 353,114,548,638,391,680
  5. Step 5: Solve for x
    x = 353,114,548,638,391,680/664,305,844.65
  6. Step 6: Final answer
    x = 531,554,180.18

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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.