Home / 298,367,382,728.38-447,387,631,073.48-146,940,694,673.49

Finding the Fourth Proportional to 298,367,382,728.38, 447,387,631,073.48 and 146,940,694,673.49

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Solution

The fourth proportional to 298,367,382,728.38, 447,387,631,073.48 and 146,940,694,673.49 is: 220,330,549,194.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,367,382,728.38 : 447,387,631,073.48 = 146,940,694,673.49 : x
  2. Step 2: Convert to fraction form
    298,367,382,728.38/447,387,631,073.48 = 146,940,694,673.49/x
  3. Step 3: Cross multiply
    298,367,382,728.38x = 447,387,631,073.48 × 146,940,694,673.49
  4. Step 4: Simplify right side
    298,367,382,728.38x = 65,739,449,298,264,206,082,048
  5. Step 5: Solve for x
    x = 65,739,449,298,264,206,082,048/298,367,382,728.38
  6. Step 6: Final answer
    x = 220,330,549,194.48

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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.