Home / 603,003,220.40-904,504,830.60-396,378,959.60

Finding the Fourth Proportional to 603,003,220.40, 904,504,830.60 and 396,378,959.60

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Solution

The fourth proportional to 603,003,220.40, 904,504,830.60 and 396,378,959.60 is: 594,568,439.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,003,220.40 : 904,504,830.60 = 396,378,959.60 : x
  2. Step 2: Convert to fraction form
    603,003,220.40/904,504,830.60 = 396,378,959.60/x
  3. Step 3: Cross multiply
    603,003,220.40x = 904,504,830.60 × 396,378,959.60
  4. Step 4: Simplify right side
    603,003,220.40x = 358,526,683,706,402,304
  5. Step 5: Solve for x
    x = 358,526,683,706,402,304/603,003,220.40
  6. Step 6: Final answer
    x = 594,568,439.40

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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.