Home / 2,147,627,207.40-3,219,052,023.90-1,178,973,997.80

Finding the Fourth Proportional to 2,147,627,207.40, 3,219,052,023.90 and 1,178,973,997.80

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Solution

The fourth proportional to 2,147,627,207.40, 3,219,052,023.90 and 1,178,973,997.80 is: 1,767,149,634.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,147,627,207.40 : 3,219,052,023.90 = 1,178,973,997.80 : x
  2. Step 2: Convert to fraction form
    2,147,627,207.40/3,219,052,023.90 = 1,178,973,997.80/x
  3. Step 3: Cross multiply
    2,147,627,207.40x = 3,219,052,023.90 × 1,178,973,997.80
  4. Step 4: Simplify right side
    2,147,627,207.40x = 3,795,178,633,743,564,288
  5. Step 5: Solve for x
    x = 3,795,178,633,743,564,288/2,147,627,207.40
  6. Step 6: Final answer
    x = 1,767,149,634.10

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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.