Home / 603,003,235.40-904,504,853.10-396,378,974.60

Finding the Fourth Proportional to 603,003,235.40, 904,504,853.10 and 396,378,974.60

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Solution

The fourth proportional to 603,003,235.40, 904,504,853.10 and 396,378,974.60 is: 594,568,461.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,003,235.40 : 904,504,853.10 = 396,378,974.60 : x
  2. Step 2: Convert to fraction form
    603,003,235.40/904,504,853.10 = 396,378,974.60/x
  3. Step 3: Cross multiply
    603,003,235.40x = 904,504,853.10 × 396,378,974.60
  4. Step 4: Simplify right side
    603,003,235.40x = 358,526,706,192,501,632
  5. Step 5: Solve for x
    x = 358,526,706,192,501,632/603,003,235.40
  6. Step 6: Final answer
    x = 594,568,461.90

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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.