Home / 1,342,665,902.38-1,852,936,087.72-747,949,667.02

Finding the Fourth Proportional to 1,342,665,902.38, 1,852,936,087.72 and 747,949,667.02

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Solution

The fourth proportional to 1,342,665,902.38, 1,852,936,087.72 and 747,949,667.02 is: 1,032,202,372.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,342,665,902.38 : 1,852,936,087.72 = 747,949,667.02 : x
  2. Step 2: Convert to fraction form
    1,342,665,902.38/1,852,936,087.72 = 747,949,667.02/x
  3. Step 3: Cross multiply
    1,342,665,902.38x = 1,852,936,087.72 × 747,949,667.02
  4. Step 4: Simplify right side
    1,342,665,902.38x = 1,385,902,929,819,515,392
  5. Step 5: Solve for x
    x = 1,385,902,929,819,515,392/1,342,665,902.38
  6. Step 6: Final answer
    x = 1,032,202,372.43

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Half scale
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Double scale
Find fourth proportional to 1,342,665,903.38, 1,852,936,089.10 and 747,949,668.02
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.