Home / 547,241,961,224.88-820,999,665,589.56-386,207,789,843.54

Finding the Fourth Proportional to 547,241,961,224.88, 820,999,665,589.56 and 386,207,789,843.54

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Solution

The fourth proportional to 547,241,961,224.88, 820,999,665,589.56 and 386,207,789,843.54 is: 579,408,175,498.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,241,961,224.88 : 820,999,665,589.56 = 386,207,789,843.54 : x
  2. Step 2: Convert to fraction form
    547,241,961,224.88/820,999,665,589.56 = 386,207,789,843.54/x
  3. Step 3: Cross multiply
    547,241,961,224.88x = 820,999,665,589.56 × 386,207,789,843.54
  4. Step 4: Simplify right side
    547,241,961,224.88x = 317,076,466,309,629,441,212,416
  5. Step 5: Solve for x
    x = 317,076,466,309,629,441,212,416/547,241,961,224.88
  6. Step 6: Final answer
    x = 579,408,175,498.68

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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.