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Finding the Fourth Proportional to 269,841,071.68, 404,922,811.02 and 247,887,046.60

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Solution

The fourth proportional to 269,841,071.68, 404,922,811.02 and 247,887,046.60 is: 371,978,658.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,841,071.68 : 404,922,811.02 = 247,887,046.60 : x
  2. Step 2: Convert to fraction form
    269,841,071.68/404,922,811.02 = 247,887,046.60/x
  3. Step 3: Cross multiply
    269,841,071.68x = 404,922,811.02 × 247,887,046.60
  4. Step 4: Simplify right side
    269,841,071.68x = 100,375,119,724,717,728
  5. Step 5: Solve for x
    x = 100,375,119,724,717,728/269,841,071.68
  6. Step 6: Final answer
    x = 371,978,658.03

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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.