Home / 5,310,568,809.97-7,961,926,135.38-3,211,578,576.15

Finding the Fourth Proportional to 5,310,568,809.97, 7,961,926,135.38 and 3,211,578,576.15

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Solution

The fourth proportional to 5,310,568,809.97, 7,961,926,135.38 and 3,211,578,576.15 is: 4,814,992,953.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,310,568,809.97 : 7,961,926,135.38 = 3,211,578,576.15 : x
  2. Step 2: Convert to fraction form
    5,310,568,809.97/7,961,926,135.38 = 3,211,578,576.15/x
  3. Step 3: Cross multiply
    5,310,568,809.97x = 7,961,926,135.38 × 3,211,578,576.15
  4. Step 4: Simplify right side
    5,310,568,809.97x = 25,570,351,401,219,305,472
  5. Step 5: Solve for x
    x = 25,570,351,401,219,305,472/5,310,568,809.97
  6. Step 6: Final answer
    x = 4,814,992,953.91

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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.