Home / 412,647,745.32-569,458,590.30-236,432,203.20

Finding the Fourth Proportional to 412,647,745.32, 569,458,590.30 and 236,432,203.20

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Solution

The fourth proportional to 412,647,745.32, 569,458,590.30 and 236,432,203.20 is: 326,279,134.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,647,745.32 : 569,458,590.30 = 236,432,203.20 : x
  2. Step 2: Convert to fraction form
    412,647,745.32/569,458,590.30 = 236,432,203.20/x
  3. Step 3: Cross multiply
    412,647,745.32x = 569,458,590.30 × 236,432,203.20
  4. Step 4: Simplify right side
    412,647,745.32x = 134,638,349,135,795,136
  5. Step 5: Solve for x
    x = 134,638,349,135,795,136/412,647,745.32
  6. Step 6: Final answer
    x = 326,279,134.35

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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.