Home / 3,571,932,270.78-4,929,240,717.27-1,986,011,943.48

Finding the Fourth Proportional to 3,571,932,270.78, 4,929,240,717.27 and 1,986,011,943.48

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Solution

The fourth proportional to 3,571,932,270.78, 4,929,240,717.27 and 1,986,011,943.48 is: 2,740,682,127.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,571,932,270.78 : 4,929,240,717.27 = 1,986,011,943.48 : x
  2. Step 2: Convert to fraction form
    3,571,932,270.78/4,929,240,717.27 = 1,986,011,943.48/x
  3. Step 3: Cross multiply
    3,571,932,270.78x = 4,929,240,717.27 × 1,986,011,943.48
  4. Step 4: Simplify right side
    3,571,932,270.78x = 9,789,530,936,786,143,232
  5. Step 5: Solve for x
    x = 9,789,530,936,786,143,232/3,571,932,270.78
  6. Step 6: Final answer
    x = 2,740,682,127.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.