Home / 2,071,322,989.20-3,107,011,408.56-691,137,497.28

Finding the Fourth Proportional to 2,071,322,989.20, 3,107,011,408.56 and 691,137,497.28

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Solution

The fourth proportional to 2,071,322,989.20, 3,107,011,408.56 and 691,137,497.28 is: 1,036,715,229.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,071,322,989.20 : 3,107,011,408.56 = 691,137,497.28 : x
  2. Step 2: Convert to fraction form
    2,071,322,989.20/3,107,011,408.56 = 691,137,497.28/x
  3. Step 3: Cross multiply
    2,071,322,989.20x = 3,107,011,408.56 × 691,137,497.28
  4. Step 4: Simplify right side
    2,071,322,989.20x = 2,147,372,088,932,565,760
  5. Step 5: Solve for x
    x = 2,147,372,088,932,565,760/2,071,322,989.20
  6. Step 6: Final answer
    x = 1,036,715,229.89

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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.