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Finding the Fourth Proportional to 299,448,551.70, 449,172,827.55 and 146,015,630.10

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Solution

The fourth proportional to 299,448,551.70, 449,172,827.55 and 146,015,630.10 is: 219,023,445.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,448,551.70 : 449,172,827.55 = 146,015,630.10 : x
  2. Step 2: Convert to fraction form
    299,448,551.70/449,172,827.55 = 146,015,630.10/x
  3. Step 3: Cross multiply
    299,448,551.70x = 449,172,827.55 × 146,015,630.10
  4. Step 4: Simplify right side
    299,448,551.70x = 65,586,253,438,511,888
  5. Step 5: Solve for x
    x = 65,586,253,438,511,888/299,448,551.70
  6. Step 6: Final answer
    x = 219,023,445.15

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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.