Home / 396,089,075.70-594,133,613.55-379,295,540.10

Finding the Fourth Proportional to 396,089,075.70, 594,133,613.55 and 379,295,540.10

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Solution

The fourth proportional to 396,089,075.70, 594,133,613.55 and 379,295,540.10 is: 568,943,310.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,089,075.70 : 594,133,613.55 = 379,295,540.10 : x
  2. Step 2: Convert to fraction form
    396,089,075.70/594,133,613.55 = 379,295,540.10/x
  3. Step 3: Cross multiply
    396,089,075.70x = 594,133,613.55 × 379,295,540.10
  4. Step 4: Simplify right side
    396,089,075.70x = 225,352,229,843,011,936
  5. Step 5: Solve for x
    x = 225,352,229,843,011,936/396,089,075.70
  6. Step 6: Final answer
    x = 568,943,310.15

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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.