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Finding the Fourth Proportional to 1,096,100,553.70, 1,644,150,830.55 and 863,648,260.30

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Solution

The fourth proportional to 1,096,100,553.70, 1,644,150,830.55 and 863,648,260.30 is: 1,295,472,390.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,096,100,553.70 : 1,644,150,830.55 = 863,648,260.30 : x
  2. Step 2: Convert to fraction form
    1,096,100,553.70/1,644,150,830.55 = 863,648,260.30/x
  3. Step 3: Cross multiply
    1,096,100,553.70x = 1,644,150,830.55 × 863,648,260.30
  4. Step 4: Simplify right side
    1,096,100,553.70x = 1,419,968,004,475,307,520
  5. Step 5: Solve for x
    x = 1,419,968,004,475,307,520/1,096,100,553.70
  6. Step 6: Final answer
    x = 1,295,472,390.45

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Double scale
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Similar ratio
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1.5x scale

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.