Home / 298,367,382,721.26-447,387,631,062.72-146,940,694,666.38

Finding the Fourth Proportional to 298,367,382,721.26, 447,387,631,062.72 and 146,940,694,666.38

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Solution

The fourth proportional to 298,367,382,721.26, 447,387,631,062.72 and 146,940,694,666.38 is: 220,330,549,183.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,367,382,721.26 : 447,387,631,062.72 = 146,940,694,666.38 : x
  2. Step 2: Convert to fraction form
    298,367,382,721.26/447,387,631,062.72 = 146,940,694,666.38/x
  3. Step 3: Cross multiply
    298,367,382,721.26x = 447,387,631,062.72 × 146,940,694,666.38
  4. Step 4: Simplify right side
    298,367,382,721.26x = 65,739,449,293,502,203,035,648
  5. Step 5: Solve for x
    x = 65,739,449,293,502,203,035,648/298,367,382,721.26
  6. Step 6: Final answer
    x = 220,330,549,183.78

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1.5x scale

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.