Home / 18,588,180,702.97-27,890,504,847.62-9,742,917,442.78

Finding the Fourth Proportional to 18,588,180,702.97, 27,890,504,847.62 and 9,742,917,442.78

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Solution

The fourth proportional to 18,588,180,702.97, 27,890,504,847.62 and 9,742,917,442.78 is: 14,618,691,872.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,588,180,702.97 : 27,890,504,847.62 = 9,742,917,442.78 : x
  2. Step 2: Convert to fraction form
    18,588,180,702.97/27,890,504,847.62 = 9,742,917,442.78/x
  3. Step 3: Cross multiply
    18,588,180,702.97x = 27,890,504,847.62 × 9,742,917,442.78
  4. Step 4: Simplify right side
    18,588,180,702.97x = 271,734,886,167,817,060,352
  5. Step 5: Solve for x
    x = 271,734,886,167,817,060,352/18,588,180,702.97
  6. Step 6: Final answer
    x = 14,618,691,872.54

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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.