Home / 12,130,344,286.12-18,196,431,300.19-3,621,055,223.73

Finding the Fourth Proportional to 12,130,344,286.12, 18,196,431,300.19 and 3,621,055,223.73

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Solution

The fourth proportional to 12,130,344,286.12, 18,196,431,300.19 and 3,621,055,223.73 is: 5,431,855,935.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,130,344,286.12 : 18,196,431,300.19 = 3,621,055,223.73 : x
  2. Step 2: Convert to fraction form
    12,130,344,286.12/18,196,431,300.19 = 3,621,055,223.73/x
  3. Step 3: Cross multiply
    12,130,344,286.12x = 18,196,431,300.19 × 3,621,055,223.73
  4. Step 4: Simplify right side
    12,130,344,286.12x = 65,890,282,612,749,836,288
  5. Step 5: Solve for x
    x = 65,890,282,612,749,836,288/12,130,344,286.12
  6. Step 6: Final answer
    x = 5,431,855,935.71

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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.