Home / 728,628,634.52-1,092,687,223.40-203,856,720.82

Finding the Fourth Proportional to 728,628,634.52, 1,092,687,223.40 and 203,856,720.82

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Solution

The fourth proportional to 728,628,634.52, 1,092,687,223.40 and 203,856,720.82 is: 305,713,533.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,628,634.52 : 1,092,687,223.40 = 203,856,720.82 : x
  2. Step 2: Convert to fraction form
    728,628,634.52/1,092,687,223.40 = 203,856,720.82/x
  3. Step 3: Cross multiply
    728,628,634.52x = 1,092,687,223.40 × 203,856,720.82
  4. Step 4: Simplify right side
    728,628,634.52x = 222,751,634,241,258,400
  5. Step 5: Solve for x
    x = 222,751,634,241,258,400/728,628,634.52
  6. Step 6: Final answer
    x = 305,713,533.19

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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.