Home / 18,643,348,977.19-27,982,703,414.17-11,539,342,935.47

Finding the Fourth Proportional to 18,643,348,977.19, 27,982,703,414.17 and 11,539,342,935.47

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Solution

The fourth proportional to 18,643,348,977.19, 27,982,703,414.17 and 11,539,342,935.47 is: 17,319,957,447.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,643,348,977.19 : 27,982,703,414.17 = 11,539,342,935.47 : x
  2. Step 2: Convert to fraction form
    18,643,348,977.19/27,982,703,414.17 = 11,539,342,935.47/x
  3. Step 3: Cross multiply
    18,643,348,977.19x = 27,982,703,414.17 × 11,539,342,935.47
  4. Step 4: Simplify right side
    18,643,348,977.19x = 322,902,010,957,700,988,928
  5. Step 5: Solve for x
    x = 322,902,010,957,700,988,928/18,643,348,977.19
  6. Step 6: Final answer
    x = 17,319,957,447.17

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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.