Home / 496,536,812.32-685,171,745.04-276,540,708.64

Finding the Fourth Proportional to 496,536,812.32, 685,171,745.04 and 276,540,708.64

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Solution

The fourth proportional to 496,536,812.32, 685,171,745.04 and 276,540,708.64 is: 381,598,856.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,536,812.32 : 685,171,745.04 = 276,540,708.64 : x
  2. Step 2: Convert to fraction form
    496,536,812.32/685,171,745.04 = 276,540,708.64/x
  3. Step 3: Cross multiply
    496,536,812.32x = 685,171,745.04 × 276,540,708.64
  4. Step 4: Simplify right side
    496,536,812.32x = 189,477,879,913,466,976
  5. Step 5: Solve for x
    x = 189,477,879,913,466,976/496,536,812.32
  6. Step 6: Final answer
    x = 381,598,856.75

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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.