Finding the Fourth Proportional to 326,528,525.97, 488,642,394.15 and 203,764,605.21
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Solution
The fourth proportional to 326,528,525.97, 488,642,394.15 and 203,764,605.21 is: 304,929,023.39
Step by Step Solution
- Step 1: Write the proportion equation
326,528,525.97 : 488,642,394.15 = 203,764,605.21 : x - Step 2: Convert to fraction form
326,528,525.97/488,642,394.15 = 203,764,605.21/x - Step 3: Cross multiply
326,528,525.97x = 488,642,394.15 × 203,764,605.21 - Step 4: Simplify right side
326,528,525.97x = 99,568,024,532,843,968 - Step 5: Solve for x
x = 99,568,024,532,843,968/326,528,525.97 - Step 6: Final answer
x = 304,929,023.39
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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.