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Finding the Fourth Proportional to 299,017,344.70, 448,526,017.05 and 294,986,266.30

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Solution

The fourth proportional to 299,017,344.70, 448,526,017.05 and 294,986,266.30 is: 442,479,399.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,017,344.70 : 448,526,017.05 = 294,986,266.30 : x
  2. Step 2: Convert to fraction form
    299,017,344.70/448,526,017.05 = 294,986,266.30/x
  3. Step 3: Cross multiply
    299,017,344.70x = 448,526,017.05 × 294,986,266.30
  4. Step 4: Simplify right side
    299,017,344.70x = 132,309,015,107,989,648
  5. Step 5: Solve for x
    x = 132,309,015,107,989,648/299,017,344.70
  6. Step 6: Final answer
    x = 442,479,399.45

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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.