Home / 396,062,902.78-593,852,216.32-188,864,685.70

Finding the Fourth Proportional to 396,062,902.78, 593,852,216.32 and 188,864,685.70

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Solution

The fourth proportional to 396,062,902.78, 593,852,216.32 and 188,864,685.70 is: 283,181,563.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,062,902.78 : 593,852,216.32 = 188,864,685.70 : x
  2. Step 2: Convert to fraction form
    396,062,902.78/593,852,216.32 = 188,864,685.70/x
  3. Step 3: Cross multiply
    396,062,902.78x = 593,852,216.32 × 188,864,685.70
  4. Step 4: Simplify right side
    396,062,902.78x = 112,157,712,187,525,216
  5. Step 5: Solve for x
    x = 112,157,712,187,525,216/396,062,902.78
  6. Step 6: Final answer
    x = 283,181,563.84

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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.