Home / 829,976,743.68-1,244,198,979.36-415,092,540.20

Finding the Fourth Proportional to 829,976,743.68, 1,244,198,979.36 and 415,092,540.20

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Solution

The fourth proportional to 829,976,743.68, 1,244,198,979.36 and 415,092,540.20 is: 622,255,646.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,976,743.68 : 1,244,198,979.36 = 415,092,540.20 : x
  2. Step 2: Convert to fraction form
    829,976,743.68/1,244,198,979.36 = 415,092,540.20/x
  3. Step 3: Cross multiply
    829,976,743.68x = 1,244,198,979.36 × 415,092,540.20
  4. Step 4: Simplify right side
    829,976,743.68x = 516,457,714,850,568,704
  5. Step 5: Solve for x
    x = 516,457,714,850,568,704/829,976,743.68
  6. Step 6: Final answer
    x = 622,255,646.06

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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.