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Finding the Fourth Proportional to 1,096,100,965.70, 1,644,151,448.55 and 863,648,672.30

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Solution

The fourth proportional to 1,096,100,965.70, 1,644,151,448.55 and 863,648,672.30 is: 1,295,473,008.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,096,100,965.70 : 1,644,151,448.55 = 863,648,672.30 : x
  2. Step 2: Convert to fraction form
    1,096,100,965.70/1,644,151,448.55 = 863,648,672.30/x
  3. Step 3: Cross multiply
    1,096,100,965.70x = 1,644,151,448.55 × 863,648,672.30
  4. Step 4: Simplify right side
    1,096,100,965.70x = 1,419,969,215,600,329,216
  5. Step 5: Solve for x
    x = 1,419,969,215,600,329,216/1,096,100,965.70
  6. Step 6: Final answer
    x = 1,295,473,008.45

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Double scale
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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.