Home / 3,948,562,863.72-5,923,510,175.52-1,327,743,967.68

Finding the Fourth Proportional to 3,948,562,863.72, 5,923,510,175.52 and 1,327,743,967.68

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Solution

The fourth proportional to 3,948,562,863.72, 5,923,510,175.52 and 1,327,743,967.68 is: 1,991,839,860.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,948,562,863.72 : 5,923,510,175.52 = 1,327,743,967.68 : x
  2. Step 2: Convert to fraction form
    3,948,562,863.72/5,923,510,175.52 = 1,327,743,967.68/x
  3. Step 3: Cross multiply
    3,948,562,863.72x = 5,923,510,175.52 × 1,327,743,967.68
  4. Step 4: Simplify right side
    3,948,562,863.72x = 7,864,904,903,037,778,944
  5. Step 5: Solve for x
    x = 7,864,904,903,037,778,944/3,948,562,863.72
  6. Step 6: Final answer
    x = 1,991,839,860.35

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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.