Home / 829,753,906.20-1,244,630,859.30-416,505,384.60

Finding the Fourth Proportional to 829,753,906.20, 1,244,630,859.30 and 416,505,384.60

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Solution

The fourth proportional to 829,753,906.20, 1,244,630,859.30 and 416,505,384.60 is: 624,758,076.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,753,906.20 : 1,244,630,859.30 = 416,505,384.60 : x
  2. Step 2: Convert to fraction form
    829,753,906.20/1,244,630,859.30 = 416,505,384.60/x
  3. Step 3: Cross multiply
    829,753,906.20x = 1,244,630,859.30 × 416,505,384.60
  4. Step 4: Simplify right side
    829,753,906.20x = 518,395,454,737,774,976
  5. Step 5: Solve for x
    x = 518,395,454,737,774,976/829,753,906.20
  6. Step 6: Final answer
    x = 624,758,076.90

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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.