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Finding the Fourth Proportional to 299,446,282.80, 449,136,246.60 and 245,499,505.20

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Solution

The fourth proportional to 299,446,282.80, 449,136,246.60 and 245,499,505.20 is: 368,222,057.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,446,282.80 : 449,136,246.60 = 245,499,505.20 : x
  2. Step 2: Convert to fraction form
    299,446,282.80/449,136,246.60 = 245,499,505.20/x
  3. Step 3: Cross multiply
    299,446,282.80x = 449,136,246.60 × 245,499,505.20
  4. Step 4: Simplify right side
    299,446,282.80x = 110,262,726,307,685,184
  5. Step 5: Solve for x
    x = 110,262,726,307,685,184/299,446,282.80
  6. Step 6: Final answer
    x = 368,222,057.31

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.