Home / 1,002,864,481.32-1,503,505,571.58-633,621,147.60

Finding the Fourth Proportional to 1,002,864,481.32, 1,503,505,571.58 and 633,621,147.60

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Solution

The fourth proportional to 1,002,864,481.32, 1,503,505,571.58 and 633,621,147.60 is: 949,931,863.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,002,864,481.32 : 1,503,505,571.58 = 633,621,147.60 : x
  2. Step 2: Convert to fraction form
    1,002,864,481.32/1,503,505,571.58 = 633,621,147.60/x
  3. Step 3: Cross multiply
    1,002,864,481.32x = 1,503,505,571.58 × 633,621,147.60
  4. Step 4: Simplify right side
    1,002,864,481.32x = 952,652,925,687,513,472
  5. Step 5: Solve for x
    x = 952,652,925,687,513,472/1,002,864,481.32
  6. Step 6: Final answer
    x = 949,931,863.61

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Double scale
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1.5x scale

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.