Home / 21,193,737,513.44-29,247,981,643.33-11,678,902,174.18

Finding the Fourth Proportional to 21,193,737,513.44, 29,247,981,643.33 and 11,678,902,174.18

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Solution

The fourth proportional to 21,193,737,513.44, 29,247,981,643.33 and 11,678,902,174.18 is: 16,117,228,789.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,193,737,513.44 : 29,247,981,643.33 = 11,678,902,174.18 : x
  2. Step 2: Convert to fraction form
    21,193,737,513.44/29,247,981,643.33 = 11,678,902,174.18/x
  3. Step 3: Cross multiply
    21,193,737,513.44x = 29,247,981,643.33 × 11,678,902,174.18
  4. Step 4: Simplify right side
    21,193,737,513.44x = 341,584,316,404,663,517,184
  5. Step 5: Solve for x
    x = 341,584,316,404,663,517,184/21,193,737,513.44
  6. Step 6: Final answer
    x = 16,117,228,789.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.