Home / 18,677,541,781.60-28,016,312,672.40-17,871,452,072.80

Finding the Fourth Proportional to 18,677,541,781.60, 28,016,312,672.40 and 17,871,452,072.80

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Solution

The fourth proportional to 18,677,541,781.60, 28,016,312,672.40 and 17,871,452,072.80 is: 26,807,178,109.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,677,541,781.60 : 28,016,312,672.40 = 17,871,452,072.80 : x
  2. Step 2: Convert to fraction form
    18,677,541,781.60/28,016,312,672.40 = 17,871,452,072.80/x
  3. Step 3: Cross multiply
    18,677,541,781.60x = 28,016,312,672.40 × 17,871,452,072.80
  4. Step 4: Simplify right side
    18,677,541,781.60x = 500,692,189,181,375,873,024
  5. Step 5: Solve for x
    x = 500,692,189,181,375,873,024/18,677,541,781.60
  6. Step 6: Final answer
    x = 26,807,178,109.20

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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.