Home / 800,494,183.36-1,104,621,658.42-487,193,770.64

Finding the Fourth Proportional to 800,494,183.36, 1,104,621,658.42 and 487,193,770.64

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Solution

The fourth proportional to 800,494,183.36, 1,104,621,658.42 and 487,193,770.64 is: 672,290,695.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,494,183.36 : 1,104,621,658.42 = 487,193,770.64 : x
  2. Step 2: Convert to fraction form
    800,494,183.36/1,104,621,658.42 = 487,193,770.64/x
  3. Step 3: Cross multiply
    800,494,183.36x = 1,104,621,658.42 × 487,193,770.64
  4. Step 4: Simplify right side
    800,494,183.36x = 538,164,790,896,249,920
  5. Step 5: Solve for x
    x = 538,164,790,896,249,920/800,494,183.36
  6. Step 6: Final answer
    x = 672,290,695.03

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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.