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Finding the Fourth Proportional to 396,336,987,000.10, 594,505,480,500.10 and 396,336,987,000.10

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Solution

The fourth proportional to 396,336,987,000.10, 594,505,480,500.10 and 396,336,987,000.10 is: 594,505,480,500.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,336,987,000.10 : 594,505,480,500.10 = 396,336,987,000.10 : x
  2. Step 2: Convert to fraction form
    396,336,987,000.10/594,505,480,500.10 = 396,336,987,000.10/x
  3. Step 3: Cross multiply
    396,336,987,000.10x = 594,505,480,500.10 × 396,336,987,000.10
  4. Step 4: Simplify right side
    396,336,987,000.10x = 235,624,510,896,456,310,194,176
  5. Step 5: Solve for x
    x = 235,624,510,896,456,310,194,176/396,336,987,000.10
  6. Step 6: Final answer
    x = 594,505,480,500.10

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1.5x scale

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.