Home / 1,192,504,441.78-1,645,710,442.92-663,902,001.04

Finding the Fourth Proportional to 1,192,504,441.78, 1,645,710,442.92 and 663,902,001.04

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Solution

The fourth proportional to 1,192,504,441.78, 1,645,710,442.92 and 663,902,001.04 is: 916,214,999.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192,504,441.78 : 1,645,710,442.92 = 663,902,001.04 : x
  2. Step 2: Convert to fraction form
    1,192,504,441.78/1,645,710,442.92 = 663,902,001.04/x
  3. Step 3: Cross multiply
    1,192,504,441.78x = 1,645,710,442.92 × 663,902,001.04
  4. Step 4: Simplify right side
    1,192,504,441.78x = 1,092,590,456,187,012,736
  5. Step 5: Solve for x
    x = 1,092,590,456,187,012,736/1,192,504,441.78
  6. Step 6: Final answer
    x = 916,214,999.21

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