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Finding the Fourth Proportional to 18,170,862,575.60, 27,256,293,863.40 and 18,170,862,575.60

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Solution

The fourth proportional to 18,170,862,575.60, 27,256,293,863.40 and 18,170,862,575.60 is: 27,256,293,863.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,170,862,575.60 : 27,256,293,863.40 = 18,170,862,575.60 : x
  2. Step 2: Convert to fraction form
    18,170,862,575.60/27,256,293,863.40 = 18,170,862,575.60/x
  3. Step 3: Cross multiply
    18,170,862,575.60x = 27,256,293,863.40 × 18,170,862,575.60
  4. Step 4: Simplify right side
    18,170,862,575.60x = 495,270,370,112,010,977,280
  5. Step 5: Solve for x
    x = 495,270,370,112,010,977,280/18,170,862,575.60
  6. Step 6: Final answer
    x = 27,256,293,863.40

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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.