Home / 728,326,051.60-1,092,111,163.80-268,027,286.80

Finding the Fourth Proportional to 728,326,051.60, 1,092,111,163.80 and 268,027,286.80

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Solution

The fourth proportional to 728,326,051.60, 1,092,111,163.80 and 268,027,286.80 is: 401,901,856.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,326,051.60 : 1,092,111,163.80 = 268,027,286.80 : x
  2. Step 2: Convert to fraction form
    728,326,051.60/1,092,111,163.80 = 268,027,286.80/x
  3. Step 3: Cross multiply
    728,326,051.60x = 1,092,111,163.80 × 268,027,286.80
  4. Step 4: Simplify right side
    728,326,051.60x = 292,715,592,117,304,384
  5. Step 5: Solve for x
    x = 292,715,592,117,304,384/728,326,051.60
  6. Step 6: Final answer
    x = 401,901,856.28

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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.