Home / 815,761,892.10-1,125,751,573.11-444,483,923.46

Finding the Fourth Proportional to 815,761,892.10, 1,125,751,573.11 and 444,483,923.46

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Solution

The fourth proportional to 815,761,892.10, 1,125,751,573.11 and 444,483,923.46 is: 613,387,902.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,761,892.10 : 1,125,751,573.11 = 444,483,923.46 : x
  2. Step 2: Convert to fraction form
    815,761,892.10/1,125,751,573.11 = 444,483,923.46/x
  3. Step 3: Cross multiply
    815,761,892.10x = 1,125,751,573.11 × 444,483,923.46
  4. Step 4: Simplify right side
    815,761,892.10x = 500,378,476,057,199,744
  5. Step 5: Solve for x
    x = 500,378,476,057,199,744/815,761,892.10
  6. Step 6: Final answer
    x = 613,387,902.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.