Home / 1,729,798,842.52-2,387,121,648.60-936,844,858.36

Finding the Fourth Proportional to 1,729,798,842.52, 2,387,121,648.60 and 936,844,858.36

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Solution

The fourth proportional to 1,729,798,842.52, 2,387,121,648.60 and 936,844,858.36 is: 1,292,845,496.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,729,798,842.52 : 2,387,121,648.60 = 936,844,858.36 : x
  2. Step 2: Convert to fraction form
    1,729,798,842.52/2,387,121,648.60 = 936,844,858.36/x
  3. Step 3: Cross multiply
    1,729,798,842.52x = 2,387,121,648.60 × 936,844,858.36
  4. Step 4: Simplify right side
    1,729,798,842.52x = 2,236,362,642,770,756,608
  5. Step 5: Solve for x
    x = 2,236,362,642,770,756,608/1,729,798,842.52
  6. Step 6: Final answer
    x = 1,292,845,496.13

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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.