Home / 2,189,147,908.40-3,279,143,353.80-1,025,609,476.40

Finding the Fourth Proportional to 2,189,147,908.40, 3,279,143,353.80 and 1,025,609,476.40

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Solution

The fourth proportional to 2,189,147,908.40, 3,279,143,353.80 and 1,025,609,476.40 is: 1,536,269,196.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,189,147,908.40 : 3,279,143,353.80 = 1,025,609,476.40 : x
  2. Step 2: Convert to fraction form
    2,189,147,908.40/3,279,143,353.80 = 1,025,609,476.40/x
  3. Step 3: Cross multiply
    2,189,147,908.40x = 3,279,143,353.80 × 1,025,609,476.40
  4. Step 4: Simplify right side
    2,189,147,908.40x = 3,363,120,498,131,358,208
  5. Step 5: Solve for x
    x = 3,363,120,498,131,358,208/2,189,147,908.40
  6. Step 6: Final answer
    x = 1,536,269,196.44

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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.