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Finding the Fourth Proportional to 484,737,157.44, 728,181,904.23 and 300,640,680.63

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Solution

The fourth proportional to 484,737,157.44, 728,181,904.23 and 300,640,680.63 is: 451,628,475.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,737,157.44 : 728,181,904.23 = 300,640,680.63 : x
  2. Step 2: Convert to fraction form
    484,737,157.44/728,181,904.23 = 300,640,680.63/x
  3. Step 3: Cross multiply
    484,737,157.44x = 728,181,904.23 × 300,640,680.63
  4. Step 4: Simplify right side
    484,737,157.44x = 218,921,103,310,156,672
  5. Step 5: Solve for x
    x = 218,921,103,310,156,672/484,737,157.44
  6. Step 6: Final answer
    x = 451,628,475.25

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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.