Home / 800,494,184.37-1,104,621,659.82-487,193,771.64

Finding the Fourth Proportional to 800,494,184.37, 1,104,621,659.82 and 487,193,771.64

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Solution

The fourth proportional to 800,494,184.37, 1,104,621,659.82 and 487,193,771.64 is: 672,290,696.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,494,184.37 : 1,104,621,659.82 = 487,193,771.64 : x
  2. Step 2: Convert to fraction form
    800,494,184.37/1,104,621,659.82 = 487,193,771.64/x
  3. Step 3: Cross multiply
    800,494,184.37x = 1,104,621,659.82 × 487,193,771.64
  4. Step 4: Simplify right side
    800,494,184.37x = 538,164,792,682,942,784
  5. Step 5: Solve for x
    x = 538,164,792,682,942,784/800,494,184.37
  6. Step 6: Final answer
    x = 672,290,696.41

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1.5x scale

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.