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Finding the Fourth Proportional to 1,096,100,571.70, 1,644,150,857.55 and 863,648,278.30

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Solution

The fourth proportional to 1,096,100,571.70, 1,644,150,857.55 and 863,648,278.30 is: 1,295,472,417.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,096,100,571.70 : 1,644,150,857.55 = 863,648,278.30 : x
  2. Step 2: Convert to fraction form
    1,096,100,571.70/1,644,150,857.55 = 863,648,278.30/x
  3. Step 3: Cross multiply
    1,096,100,571.70x = 1,644,150,857.55 × 863,648,278.30
  4. Step 4: Simplify right side
    1,096,100,571.70x = 1,419,968,057,388,525,824
  5. Step 5: Solve for x
    x = 1,419,968,057,388,525,824/1,096,100,571.70
  6. Step 6: Final answer
    x = 1,295,472,417.45

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Double scale
Find fourth proportional to 1,096,100,572.70, 1,644,150,859.05 and 863,648,279.30
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.