Home / 547,008,469.90-820,512,704.85-164,056,021.90

Finding the Fourth Proportional to 547,008,469.90, 820,512,704.85 and 164,056,021.90

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Solution

The fourth proportional to 547,008,469.90, 820,512,704.85 and 164,056,021.90 is: 246,084,032.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,008,469.90 : 820,512,704.85 = 164,056,021.90 : x
  2. Step 2: Convert to fraction form
    547,008,469.90/820,512,704.85 = 164,056,021.90/x
  3. Step 3: Cross multiply
    547,008,469.90x = 820,512,704.85 × 164,056,021.90
  4. Step 4: Simplify right side
    547,008,469.90x = 134,610,050,276,099,840
  5. Step 5: Solve for x
    x = 134,610,050,276,099,840/547,008,469.90
  6. Step 6: Final answer
    x = 246,084,032.85

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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.