Home / 1,469,011,717.64-2,203,857,989.89-419,763,587.38

Finding the Fourth Proportional to 1,469,011,717.64, 2,203,857,989.89 and 419,763,587.38

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Solution

The fourth proportional to 1,469,011,717.64, 2,203,857,989.89 and 419,763,587.38 is: 629,742,652.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,469,011,717.64 : 2,203,857,989.89 = 419,763,587.38 : x
  2. Step 2: Convert to fraction form
    1,469,011,717.64/2,203,857,989.89 = 419,763,587.38/x
  3. Step 3: Cross multiply
    1,469,011,717.64x = 2,203,857,989.89 × 419,763,587.38
  4. Step 4: Simplify right side
    1,469,011,717.64x = 925,099,335,905,742,976
  5. Step 5: Solve for x
    x = 925,099,335,905,742,976/1,469,011,717.64
  6. Step 6: Final answer
    x = 629,742,652.69

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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.