Home / 677,960,362.32-1,017,253,299.12-309,608,234.04

Finding the Fourth Proportional to 677,960,362.32, 1,017,253,299.12 and 309,608,234.04

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Solution

The fourth proportional to 677,960,362.32, 1,017,253,299.12 and 309,608,234.04 is: 464,555,179.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,960,362.32 : 1,017,253,299.12 = 309,608,234.04 : x
  2. Step 2: Convert to fraction form
    677,960,362.32/1,017,253,299.12 = 309,608,234.04/x
  3. Step 3: Cross multiply
    677,960,362.32x = 1,017,253,299.12 × 309,608,234.04
  4. Step 4: Simplify right side
    677,960,362.32x = 314,949,997,511,907,136
  5. Step 5: Solve for x
    x = 314,949,997,511,907,136/677,960,362.32
  6. Step 6: Final answer
    x = 464,555,179.06

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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.