Home / 396,062,901.78-593,852,214.83-188,864,684.70

Finding the Fourth Proportional to 396,062,901.78, 593,852,214.83 and 188,864,684.70

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Solution

The fourth proportional to 396,062,901.78, 593,852,214.83 and 188,864,684.70 is: 283,181,562.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,062,901.78 : 593,852,214.83 = 188,864,684.70 : x
  2. Step 2: Convert to fraction form
    396,062,901.78/593,852,214.83 = 188,864,684.70/x
  3. Step 3: Cross multiply
    396,062,901.78x = 593,852,214.83 × 188,864,684.70
  4. Step 4: Simplify right side
    396,062,901.78x = 112,157,711,310,762,080
  5. Step 5: Solve for x
    x = 112,157,711,310,762,080/396,062,901.78
  6. Step 6: Final answer
    x = 283,181,562.34

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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.