Home / 5,919,764,712.12-8,876,741,410.56-2,928,371,561.28

Finding the Fourth Proportional to 5,919,764,712.12, 8,876,741,410.56 and 2,928,371,561.28

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Solution

The fourth proportional to 5,919,764,712.12, 8,876,741,410.56 and 2,928,371,561.28 is: 4,391,119,979.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,919,764,712.12 : 8,876,741,410.56 = 2,928,371,561.28 : x
  2. Step 2: Convert to fraction form
    5,919,764,712.12/8,876,741,410.56 = 2,928,371,561.28/x
  3. Step 3: Cross multiply
    5,919,764,712.12x = 8,876,741,410.56 × 2,928,371,561.28
  4. Step 4: Simplify right side
    5,919,764,712.12x = 25,994,397,103,520,415,744
  5. Step 5: Solve for x
    x = 25,994,397,103,520,415,744/5,919,764,712.12
  6. Step 6: Final answer
    x = 4,391,119,979.87

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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.