Home / 829,976,743.83-1,244,198,979.58-415,092,540.33

Finding the Fourth Proportional to 829,976,743.83, 1,244,198,979.58 and 415,092,540.33

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Solution

The fourth proportional to 829,976,743.83, 1,244,198,979.58 and 415,092,540.33 is: 622,255,646.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,976,743.83 : 1,244,198,979.58 = 415,092,540.33 : x
  2. Step 2: Convert to fraction form
    829,976,743.83/1,244,198,979.58 = 415,092,540.33/x
  3. Step 3: Cross multiply
    829,976,743.83x = 1,244,198,979.58 × 415,092,540.33
  4. Step 4: Simplify right side
    829,976,743.83x = 516,457,715,109,606,976
  5. Step 5: Solve for x
    x = 516,457,715,109,606,976/829,976,743.83
  6. Step 6: Final answer
    x = 622,255,646.25

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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.