Home / 724,489,383.60-1,086,202,634.40-287,574,022.80

Finding the Fourth Proportional to 724,489,383.60, 1,086,202,634.40 and 287,574,022.80

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Solution

The fourth proportional to 724,489,383.60, 1,086,202,634.40 and 287,574,022.80 is: 431,150,087.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,489,383.60 : 1,086,202,634.40 = 287,574,022.80 : x
  2. Step 2: Convert to fraction form
    724,489,383.60/1,086,202,634.40 = 287,574,022.80/x
  3. Step 3: Cross multiply
    724,489,383.60x = 1,086,202,634.40 × 287,574,022.80
  4. Step 4: Simplify right side
    724,489,383.60x = 312,363,661,150,365,696
  5. Step 5: Solve for x
    x = 312,363,661,150,365,696/724,489,383.60
  6. Step 6: Final answer
    x = 431,150,087.53

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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.