Home / 18,093,456,147.60-27,140,184,221.40-12,216,143,840.40

Finding the Fourth Proportional to 18,093,456,147.60, 27,140,184,221.40 and 12,216,143,840.40

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Solution

The fourth proportional to 18,093,456,147.60, 27,140,184,221.40 and 12,216,143,840.40 is: 18,324,215,760.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,093,456,147.60 : 27,140,184,221.40 = 12,216,143,840.40 : x
  2. Step 2: Convert to fraction form
    18,093,456,147.60/27,140,184,221.40 = 12,216,143,840.40/x
  3. Step 3: Cross multiply
    18,093,456,147.60x = 27,140,184,221.40 × 12,216,143,840.40
  4. Step 4: Simplify right side
    18,093,456,147.60x = 331,548,394,303,576,866,816
  5. Step 5: Solve for x
    x = 331,548,394,303,576,866,816/18,093,456,147.60
  6. Step 6: Final answer
    x = 18,324,215,760.60

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Double scale
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1.5x scale

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.