Home / 1,449,410,145.62-2,173,952,405.66-400,297,494.78

Finding the Fourth Proportional to 1,449,410,145.62, 2,173,952,405.66 and 400,297,494.78

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Solution

The fourth proportional to 1,449,410,145.62, 2,173,952,405.66 and 400,297,494.78 is: 600,401,276.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,449,410,145.62 : 2,173,952,405.66 = 400,297,494.78 : x
  2. Step 2: Convert to fraction form
    1,449,410,145.62/2,173,952,405.66 = 400,297,494.78/x
  3. Step 3: Cross multiply
    1,449,410,145.62x = 2,173,952,405.66 × 400,297,494.78
  4. Step 4: Simplify right side
    1,449,410,145.62x = 870,227,701,754,650,880
  5. Step 5: Solve for x
    x = 870,227,701,754,650,880/1,449,410,145.62
  6. Step 6: Final answer
    x = 600,401,276.61

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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.