Home / 815,292,858.33-1,222,847,705.25-225,166,991.81

Finding the Fourth Proportional to 815,292,858.33, 1,222,847,705.25 and 225,166,991.81

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Solution

The fourth proportional to 815,292,858.33, 1,222,847,705.25 and 225,166,991.81 is: 337,725,194.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,292,858.33 : 1,222,847,705.25 = 225,166,991.81 : x
  2. Step 2: Convert to fraction form
    815,292,858.33/1,222,847,705.25 = 225,166,991.81/x
  3. Step 3: Cross multiply
    815,292,858.33x = 1,222,847,705.25 × 225,166,991.81
  4. Step 4: Simplify right side
    815,292,858.33x = 275,344,939,226,789,824
  5. Step 5: Solve for x
    x = 275,344,939,226,789,824/815,292,858.33
  6. Step 6: Final answer
    x = 337,725,194.59

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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.