Home / 815,761,883.68-1,125,751,561.46-444,483,915.04

Finding the Fourth Proportional to 815,761,883.68, 1,125,751,561.46 and 444,483,915.04

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Solution

The fourth proportional to 815,761,883.68, 1,125,751,561.46 and 444,483,915.04 is: 613,387,891.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,761,883.68 : 1,125,751,561.46 = 444,483,915.04 : x
  2. Step 2: Convert to fraction form
    815,761,883.68/1,125,751,561.46 = 444,483,915.04/x
  3. Step 3: Cross multiply
    815,761,883.68x = 1,125,751,561.46 × 444,483,915.04
  4. Step 4: Simplify right side
    815,761,883.68x = 500,378,461,400,134,016
  5. Step 5: Solve for x
    x = 500,378,461,400,134,016/815,761,883.68
  6. Step 6: Final answer
    x = 613,387,891.01

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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.