Home / 902,082,022.40-1,353,123,033.60-442,916,998.40

Finding the Fourth Proportional to 902,082,022.40, 1,353,123,033.60 and 442,916,998.40

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Solution

The fourth proportional to 902,082,022.40, 1,353,123,033.60 and 442,916,998.40 is: 664,375,497.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,082,022.40 : 1,353,123,033.60 = 442,916,998.40 : x
  2. Step 2: Convert to fraction form
    902,082,022.40/1,353,123,033.60 = 442,916,998.40/x
  3. Step 3: Cross multiply
    902,082,022.40x = 1,353,123,033.60 × 442,916,998.40
  4. Step 4: Simplify right side
    902,082,022.40x = 599,321,192,508,014,208
  5. Step 5: Solve for x
    x = 599,321,192,508,014,208/902,082,022.40
  6. Step 6: Final answer
    x = 664,375,497.60

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Double scale
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Similar ratio
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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.