Home / 18,588,180,703.97-27,890,504,849.12-9,742,917,443.78

Finding the Fourth Proportional to 18,588,180,703.97, 27,890,504,849.12 and 9,742,917,443.78

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Solution

The fourth proportional to 18,588,180,703.97, 27,890,504,849.12 and 9,742,917,443.78 is: 14,618,691,874.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,588,180,703.97 : 27,890,504,849.12 = 9,742,917,443.78 : x
  2. Step 2: Convert to fraction form
    18,588,180,703.97/27,890,504,849.12 = 9,742,917,443.78/x
  3. Step 3: Cross multiply
    18,588,180,703.97x = 27,890,504,849.12 × 9,742,917,443.78
  4. Step 4: Simplify right side
    18,588,180,703.97x = 271,734,886,210,321,940,480
  5. Step 5: Solve for x
    x = 271,734,886,210,321,940,480/18,588,180,703.97
  6. Step 6: Final answer
    x = 14,618,691,874.04

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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.