Home / 552,080,228.20-828,792,188.70-279,310,589.80

Finding the Fourth Proportional to 552,080,228.20, 828,792,188.70 and 279,310,589.80

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Solution

The fourth proportional to 552,080,228.20, 828,792,188.70 and 279,310,589.80 is: 419,305,787.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,080,228.20 : 828,792,188.70 = 279,310,589.80 : x
  2. Step 2: Convert to fraction form
    552,080,228.20/828,792,188.70 = 279,310,589.80/x
  3. Step 3: Cross multiply
    552,080,228.20x = 828,792,188.70 × 279,310,589.80
  4. Step 4: Simplify right side
    552,080,228.20x = 231,490,435,047,429,920
  5. Step 5: Solve for x
    x = 231,490,435,047,429,920/552,080,228.20
  6. Step 6: Final answer
    x = 419,305,787.86

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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.