Home / 481,593,587.72-664,587,847.53-283,367,921.55

Finding the Fourth Proportional to 481,593,587.72, 664,587,847.53 and 283,367,921.55

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Solution

The fourth proportional to 481,593,587.72, 664,587,847.53 and 283,367,921.55 is: 391,041,080.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,593,587.72 : 664,587,847.53 = 283,367,921.55 : x
  2. Step 2: Convert to fraction form
    481,593,587.72/664,587,847.53 = 283,367,921.55/x
  3. Step 3: Cross multiply
    481,593,587.72x = 664,587,847.53 × 283,367,921.55
  4. Step 4: Simplify right side
    481,593,587.72x = 188,322,877,043,207,168
  5. Step 5: Solve for x
    x = 188,322,877,043,207,168/481,593,587.72
  6. Step 6: Final answer
    x = 391,041,080.79

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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.