Home / 815,761,839.44-1,125,751,500.45-444,483,870.82

Finding the Fourth Proportional to 815,761,839.44, 1,125,751,500.45 and 444,483,870.82

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Solution

The fourth proportional to 815,761,839.44, 1,125,751,500.45 and 444,483,870.82 is: 613,387,830.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,761,839.44 : 1,125,751,500.45 = 444,483,870.82 : x
  2. Step 2: Convert to fraction form
    815,761,839.44/1,125,751,500.45 = 444,483,870.82/x
  3. Step 3: Cross multiply
    815,761,839.44x = 1,125,751,500.45 × 444,483,870.82
  4. Step 4: Simplify right side
    815,761,839.44x = 500,378,384,498,624,640
  5. Step 5: Solve for x
    x = 500,378,384,498,624,640/815,761,839.44
  6. Step 6: Final answer
    x = 613,387,830.01

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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.