Home / 3,203,431,286.15-4,422,268,109.03-2,133,515,124.79

Finding the Fourth Proportional to 3,203,431,286.15, 4,422,268,109.03 and 2,133,515,124.79

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Solution

The fourth proportional to 3,203,431,286.15, 4,422,268,109.03 and 2,133,515,124.79 is: 2,945,271,820.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,203,431,286.15 : 4,422,268,109.03 = 2,133,515,124.79 : x
  2. Step 2: Convert to fraction form
    3,203,431,286.15/4,422,268,109.03 = 2,133,515,124.79/x
  3. Step 3: Cross multiply
    3,203,431,286.15x = 4,422,268,109.03 × 2,133,515,124.79
  4. Step 4: Simplify right side
    3,203,431,286.15x = 9,434,975,896,491,976,704
  5. Step 5: Solve for x
    x = 9,434,975,896,491,976,704/3,203,431,286.15
  6. Step 6: Final answer
    x = 2,945,271,820.65

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Double scale
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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.