Home / 547,241,961,228.88-820,999,665,595.56-386,207,789,847.56

Finding the Fourth Proportional to 547,241,961,228.88, 820,999,665,595.56 and 386,207,789,847.56

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Solution

The fourth proportional to 547,241,961,228.88, 820,999,665,595.56 and 386,207,789,847.56 is: 579,408,175,504.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,241,961,228.88 : 820,999,665,595.56 = 386,207,789,847.56 : x
  2. Step 2: Convert to fraction form
    547,241,961,228.88/820,999,665,595.56 = 386,207,789,847.56/x
  3. Step 3: Cross multiply
    547,241,961,228.88x = 820,999,665,595.56 × 386,207,789,847.56
  4. Step 4: Simplify right side
    547,241,961,228.88x = 317,076,466,315,247,124,217,856
  5. Step 5: Solve for x
    x = 317,076,466,315,247,124,217,856/547,241,961,228.88
  6. Step 6: Final answer
    x = 579,408,175,504.72

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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.