Home / 728,628,624.36-1,092,687,208.25-203,856,710.69

Finding the Fourth Proportional to 728,628,624.36, 1,092,687,208.25 and 203,856,710.69

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Solution

The fourth proportional to 728,628,624.36, 1,092,687,208.25 and 203,856,710.69 is: 305,713,518.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,628,624.36 : 1,092,687,208.25 = 203,856,710.69 : x
  2. Step 2: Convert to fraction form
    728,628,624.36/1,092,687,208.25 = 203,856,710.69/x
  3. Step 3: Cross multiply
    728,628,624.36x = 1,092,687,208.25 × 203,856,710.69
  4. Step 4: Simplify right side
    728,628,624.36x = 222,751,620,088,596,448
  5. Step 5: Solve for x
    x = 222,751,620,088,596,448/728,628,624.36
  6. Step 6: Final answer
    x = 305,713,518.03

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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.