Home / 514,907,231.20-772,360,846.80-297,228,997.60

Finding the Fourth Proportional to 514,907,231.20, 772,360,846.80 and 297,228,997.60

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Solution

The fourth proportional to 514,907,231.20, 772,360,846.80 and 297,228,997.60 is: 445,843,496.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,907,231.20 : 772,360,846.80 = 297,228,997.60 : x
  2. Step 2: Convert to fraction form
    514,907,231.20/772,360,846.80 = 297,228,997.60/x
  3. Step 3: Cross multiply
    514,907,231.20x = 772,360,846.80 × 297,228,997.60
  4. Step 4: Simplify right side
    514,907,231.20x = 229,568,040,279,851,168
  5. Step 5: Solve for x
    x = 229,568,040,279,851,168/514,907,231.20
  6. Step 6: Final answer
    x = 445,843,496.40

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Similar ratio
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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.