Home / 1,469,011,719.64-2,203,857,992.88-419,763,589.38

Finding the Fourth Proportional to 1,469,011,719.64, 2,203,857,992.88 and 419,763,589.38

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Solution

The fourth proportional to 1,469,011,719.64, 2,203,857,992.88 and 419,763,589.38 is: 629,742,655.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,469,011,719.64 : 2,203,857,992.88 = 419,763,589.38 : x
  2. Step 2: Convert to fraction form
    1,469,011,719.64/2,203,857,992.88 = 419,763,589.38/x
  3. Step 3: Cross multiply
    1,469,011,719.64x = 2,203,857,992.88 × 419,763,589.38
  4. Step 4: Simplify right side
    1,469,011,719.64x = 925,099,341,575,111,296
  5. Step 5: Solve for x
    x = 925,099,341,575,111,296/1,469,011,719.64
  6. Step 6: Final answer
    x = 629,742,655.70

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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.