Home / 547,247,298.90-820,876,262.76-437,800,575.18

Finding the Fourth Proportional to 547,247,298.90, 820,876,262.76 and 437,800,575.18

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Solution

The fourth proportional to 547,247,298.90, 820,876,262.76 and 437,800,575.18 is: 656,705,114.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,247,298.90 : 820,876,262.76 = 437,800,575.18 : x
  2. Step 2: Convert to fraction form
    547,247,298.90/820,876,262.76 = 437,800,575.18/x
  3. Step 3: Cross multiply
    547,247,298.90x = 820,876,262.76 × 437,800,575.18
  4. Step 4: Simplify right side
    547,247,298.90x = 359,380,099,987,936,832
  5. Step 5: Solve for x
    x = 359,380,099,987,936,832/547,247,298.90
  6. Step 6: Final answer
    x = 656,705,114.32

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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.