Home / 396,699,287.20-595,048,930.80-353,617,136.80

Finding the Fourth Proportional to 396,699,287.20, 595,048,930.80 and 353,617,136.80

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Solution

The fourth proportional to 396,699,287.20, 595,048,930.80 and 353,617,136.80 is: 530,425,705.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,699,287.20 : 595,048,930.80 = 353,617,136.80 : x
  2. Step 2: Convert to fraction form
    396,699,287.20/595,048,930.80 = 353,617,136.80/x
  3. Step 3: Cross multiply
    396,699,287.20x = 595,048,930.80 × 353,617,136.80
  4. Step 4: Simplify right side
    396,699,287.20x = 210,419,499,165,397,312
  5. Step 5: Solve for x
    x = 210,419,499,165,397,312/396,699,287.20
  6. Step 6: Final answer
    x = 530,425,705.20

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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.