Home / 5,986,138,161.87-8,256,978,243.47-3,839,344,436.30

Finding the Fourth Proportional to 5,986,138,161.87, 8,256,978,243.47 and 3,839,344,436.30

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Solution

The fourth proportional to 5,986,138,161.87, 8,256,978,243.47 and 3,839,344,436.30 is: 5,295,798,830.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,986,138,161.87 : 8,256,978,243.47 = 3,839,344,436.30 : x
  2. Step 2: Convert to fraction form
    5,986,138,161.87/8,256,978,243.47 = 3,839,344,436.30/x
  3. Step 3: Cross multiply
    5,986,138,161.87x = 8,256,978,243.47 × 3,839,344,436.30
  4. Step 4: Simplify right side
    5,986,138,161.87x = 31,701,383,479,685,005,312
  5. Step 5: Solve for x
    x = 31,701,383,479,685,005,312/5,986,138,161.87
  6. Step 6: Final answer
    x = 5,295,798,830.97

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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.