Home / 3,491,582,519.80-5,238,063,724.82-1,280,812,765.24

Finding the Fourth Proportional to 3,491,582,519.80, 5,238,063,724.82 and 1,280,812,765.24

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Solution

The fourth proportional to 3,491,582,519.80, 5,238,063,724.82 and 1,280,812,765.24 is: 1,921,472,239.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,491,582,519.80 : 5,238,063,724.82 = 1,280,812,765.24 : x
  2. Step 2: Convert to fraction form
    3,491,582,519.80/5,238,063,724.82 = 1,280,812,765.24/x
  3. Step 3: Cross multiply
    3,491,582,519.80x = 5,238,063,724.82 × 1,280,812,765.24
  4. Step 4: Simplify right side
    3,491,582,519.80x = 6,708,978,883,890,038,784
  5. Step 5: Solve for x
    x = 6,708,978,883,890,038,784/3,491,582,519.80
  6. Step 6: Final answer
    x = 1,921,472,239.55

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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.