Home / 443,234,135.70-664,851,203.55-259,568,126.10

Finding the Fourth Proportional to 443,234,135.70, 664,851,203.55 and 259,568,126.10

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Solution

The fourth proportional to 443,234,135.70, 664,851,203.55 and 259,568,126.10 is: 389,352,189.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,234,135.70 : 664,851,203.55 = 259,568,126.10 : x
  2. Step 2: Convert to fraction form
    443,234,135.70/664,851,203.55 = 259,568,126.10/x
  3. Step 3: Cross multiply
    443,234,135.70x = 664,851,203.55 × 259,568,126.10
  4. Step 4: Simplify right side
    443,234,135.70x = 172,574,181,040,803,136
  5. Step 5: Solve for x
    x = 172,574,181,040,803,136/443,234,135.70
  6. Step 6: Final answer
    x = 389,352,189.15

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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.