Home / 396,289,872.80-593,867,938.80-291,844,001.60

Finding the Fourth Proportional to 396,289,872.80, 593,867,938.80 and 291,844,001.60

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Solution

The fourth proportional to 396,289,872.80, 593,867,938.80 and 291,844,001.60 is: 437,348,535.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,289,872.80 : 593,867,938.80 = 291,844,001.60 : x
  2. Step 2: Convert to fraction form
    396,289,872.80/593,867,938.80 = 291,844,001.60/x
  3. Step 3: Cross multiply
    396,289,872.80x = 593,867,938.80 × 291,844,001.60
  4. Step 4: Simplify right side
    396,289,872.80x = 173,316,795,681,335,904
  5. Step 5: Solve for x
    x = 173,316,795,681,335,904/396,289,872.80
  6. Step 6: Final answer
    x = 437,348,535.95

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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.