Home / 2,728,286,608.60-4,092,429,912.90-981,546,329.80

Finding the Fourth Proportional to 2,728,286,608.60, 4,092,429,912.90 and 981,546,329.80

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Solution

The fourth proportional to 2,728,286,608.60, 4,092,429,912.90 and 981,546,329.80 is: 1,472,319,494.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,728,286,608.60 : 4,092,429,912.90 = 981,546,329.80 : x
  2. Step 2: Convert to fraction form
    2,728,286,608.60/4,092,429,912.90 = 981,546,329.80/x
  3. Step 3: Cross multiply
    2,728,286,608.60x = 4,092,429,912.90 × 981,546,329.80
  4. Step 4: Simplify right side
    2,728,286,608.60x = 4,016,909,560,970,728,448
  5. Step 5: Solve for x
    x = 4,016,909,560,970,728,448/2,728,286,608.60
  6. Step 6: Final answer
    x = 1,472,319,494.70

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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.