Home / 1,273,460,517.82-1,910,580,616.77-652,115,685.16

Finding the Fourth Proportional to 1,273,460,517.82, 1,910,580,616.77 and 652,115,685.16

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Solution

The fourth proportional to 1,273,460,517.82, 1,910,580,616.77 and 652,115,685.16 is: 978,373,157.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,273,460,517.82 : 1,910,580,616.77 = 652,115,685.16 : x
  2. Step 2: Convert to fraction form
    1,273,460,517.82/1,910,580,616.77 = 652,115,685.16/x
  3. Step 3: Cross multiply
    1,273,460,517.82x = 1,910,580,616.77 × 652,115,685.16
  4. Step 4: Simplify right side
    1,273,460,517.82x = 1,245,919,587,958,383,872
  5. Step 5: Solve for x
    x = 1,245,919,587,958,383,872/1,273,460,517.82
  6. Step 6: Final answer
    x = 978,373,157.65

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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.