Home / 603,003,240.40-904,504,860.60-396,378,979.60

Finding the Fourth Proportional to 603,003,240.40, 904,504,860.60 and 396,378,979.60

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Solution

The fourth proportional to 603,003,240.40, 904,504,860.60 and 396,378,979.60 is: 594,568,469.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,003,240.40 : 904,504,860.60 = 396,378,979.60 : x
  2. Step 2: Convert to fraction form
    603,003,240.40/904,504,860.60 = 396,378,979.60/x
  3. Step 3: Cross multiply
    603,003,240.40x = 904,504,860.60 × 396,378,979.60
  4. Step 4: Simplify right side
    603,003,240.40x = 358,526,713,687,868,288
  5. Step 5: Solve for x
    x = 358,526,713,687,868,288/603,003,240.40
  6. Step 6: Final answer
    x = 594,568,469.40

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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.