Home / 5,291,121,086.55-7,936,703,027.19-2,143,395,224.64

Finding the Fourth Proportional to 5,291,121,086.55, 7,936,703,027.19 and 2,143,395,224.64

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Solution

The fourth proportional to 5,291,121,086.55, 7,936,703,027.19 and 2,143,395,224.64 is: 3,215,101,504.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,291,121,086.55 : 7,936,703,027.19 = 2,143,395,224.64 : x
  2. Step 2: Convert to fraction form
    5,291,121,086.55/7,936,703,027.19 = 2,143,395,224.64/x
  3. Step 3: Cross multiply
    5,291,121,086.55x = 7,936,703,027.19 × 2,143,395,224.64
  4. Step 4: Simplify right side
    5,291,121,086.55x = 17,011,491,367,864,877,056
  5. Step 5: Solve for x
    x = 17,011,491,367,864,877,056/5,291,121,086.55
  6. Step 6: Final answer
    x = 3,215,101,504.88

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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.