Home / 3,945,257,484.17-5,917,146,364.15-1,979,582,778.41

Finding the Fourth Proportional to 3,945,257,484.17, 5,917,146,364.15 and 1,979,582,778.41

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Solution

The fourth proportional to 3,945,257,484.17, 5,917,146,364.15 and 1,979,582,778.41 is: 2,969,002,932.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,945,257,484.17 : 5,917,146,364.15 = 1,979,582,778.41 : x
  2. Step 2: Convert to fraction form
    3,945,257,484.17/5,917,146,364.15 = 1,979,582,778.41/x
  3. Step 3: Cross multiply
    3,945,257,484.17x = 5,917,146,364.15 × 1,979,582,778.41
  4. Step 4: Simplify right side
    3,945,257,484.17x = 11,713,481,039,792,789,504
  5. Step 5: Solve for x
    x = 11,713,481,039,792,789,504/3,945,257,484.17
  6. Step 6: Final answer
    x = 2,969,002,932.46

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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.