Home / 18,622,591,860.72-25,732,793,348.66-13,260,843,630.74

Finding the Fourth Proportional to 18,622,591,860.72, 25,732,793,348.66 and 13,260,843,630.74

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Solution

The fourth proportional to 18,622,591,860.72, 25,732,793,348.66 and 13,260,843,630.74 is: 18,323,902,028.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,622,591,860.72 : 25,732,793,348.66 = 13,260,843,630.74 : x
  2. Step 2: Convert to fraction form
    18,622,591,860.72/25,732,793,348.66 = 13,260,843,630.74/x
  3. Step 3: Cross multiply
    18,622,591,860.72x = 25,732,793,348.66 × 13,260,843,630.74
  4. Step 4: Simplify right side
    18,622,591,860.72x = 341,238,548,778,726,588,416
  5. Step 5: Solve for x
    x = 341,238,548,778,726,588,416/18,622,591,860.72
  6. Step 6: Final answer
    x = 18,323,902,028.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.