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Finding the Fourth Proportional to 1,202,576,722.20, 1,685,903,236.20 and 1,202,576,722.20

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Solution

The fourth proportional to 1,202,576,722.20, 1,685,903,236.20 and 1,202,576,722.20 is: 1,685,903,236.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,202,576,722.20 : 1,685,903,236.20 = 1,202,576,722.20 : x
  2. Step 2: Convert to fraction form
    1,202,576,722.20/1,685,903,236.20 = 1,202,576,722.20/x
  3. Step 3: Cross multiply
    1,202,576,722.20x = 1,685,903,236.20 × 1,202,576,722.20
  4. Step 4: Simplify right side
    1,202,576,722.20x = 2,027,427,987,735,768,576
  5. Step 5: Solve for x
    x = 2,027,427,987,735,768,576/1,202,576,722.20
  6. Step 6: Final answer
    x = 1,685,903,236.20

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.