Home / 829,976,751.78-1,244,198,991.54-415,092,548.27

Finding the Fourth Proportional to 829,976,751.78, 1,244,198,991.54 and 415,092,548.27

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Solution

The fourth proportional to 829,976,751.78, 1,244,198,991.54 and 415,092,548.27 is: 622,255,658.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,976,751.78 : 1,244,198,991.54 = 415,092,548.27 : x
  2. Step 2: Convert to fraction form
    829,976,751.78/1,244,198,991.54 = 415,092,548.27/x
  3. Step 3: Cross multiply
    829,976,751.78x = 1,244,198,991.54 × 415,092,548.27
  4. Step 4: Simplify right side
    829,976,751.78x = 516,457,729,957,949,056
  5. Step 5: Solve for x
    x = 516,457,729,957,949,056/829,976,751.78
  6. Step 6: Final answer
    x = 622,255,658.19

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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.