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Finding the Fourth Proportional to 1,244,507,903.70, 1,866,761,855.55 and 1,244,507,903.70

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Solution

The fourth proportional to 1,244,507,903.70, 1,866,761,855.55 and 1,244,507,903.70 is: 1,866,761,855.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,244,507,903.70 : 1,866,761,855.55 = 1,244,507,903.70 : x
  2. Step 2: Convert to fraction form
    1,244,507,903.70/1,866,761,855.55 = 1,244,507,903.70/x
  3. Step 3: Cross multiply
    1,244,507,903.70x = 1,866,761,855.55 × 1,244,507,903.70
  4. Step 4: Simplify right side
    1,244,507,903.70x = 2,323,199,883,557,652,992
  5. Step 5: Solve for x
    x = 2,323,199,883,557,652,992/1,244,507,903.70
  6. Step 6: Final answer
    x = 1,866,761,855.55

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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.