Home / 436,568,576.40-654,943,843.80-145,526,115.60

Finding the Fourth Proportional to 436,568,576.40, 654,943,843.80 and 145,526,115.60

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Solution

The fourth proportional to 436,568,576.40, 654,943,843.80 and 145,526,115.60 is: 218,319,500.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,568,576.40 : 654,943,843.80 = 145,526,115.60 : x
  2. Step 2: Convert to fraction form
    436,568,576.40/654,943,843.80 = 145,526,115.60/x
  3. Step 3: Cross multiply
    436,568,576.40x = 654,943,843.80 × 145,526,115.60
  4. Step 4: Simplify right side
    436,568,576.40x = 95,311,433,524,347,136
  5. Step 5: Solve for x
    x = 95,311,433,524,347,136/436,568,576.40
  6. Step 6: Final answer
    x = 218,319,500.48

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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.