Home / 13,151,321,771.38-18,150,789,100.52-10,352,987,299.42

Finding the Fourth Proportional to 13,151,321,771.38, 18,150,789,100.52 and 10,352,987,299.42

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Solution

The fourth proportional to 13,151,321,771.38, 18,150,789,100.52 and 10,352,987,299.42 is: 14,288,669,405.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,151,321,771.38 : 18,150,789,100.52 = 10,352,987,299.42 : x
  2. Step 2: Convert to fraction form
    13,151,321,771.38/18,150,789,100.52 = 10,352,987,299.42/x
  3. Step 3: Cross multiply
    13,151,321,771.38x = 18,150,789,100.52 × 10,352,987,299.42
  4. Step 4: Simplify right side
    13,151,321,771.38x = 187,914,889,032,134,524,928
  5. Step 5: Solve for x
    x = 187,914,889,032,134,524,928/13,151,321,771.38
  6. Step 6: Final answer
    x = 14,288,669,405.16

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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.