Finding the Fourth Proportional to 324,369,939.24, 447,641,704.26 and 177,692,236.20
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Solution
The fourth proportional to 324,369,939.24, 447,641,704.26 and 177,692,236.20 is: 245,221,414.88
Step by Step Solution
- Step 1: Write the proportion equation
324,369,939.24 : 447,641,704.26 = 177,692,236.20 : x - Step 2: Convert to fraction form
324,369,939.24/447,641,704.26 = 177,692,236.20/x - Step 3: Cross multiply
324,369,939.24x = 447,641,704.26 × 177,692,236.20 - Step 4: Simplify right side
324,369,939.24x = 79,542,455,446,338,464 - Step 5: Solve for x
x = 79,542,455,446,338,464/324,369,939.24 - Step 6: Final answer
x = 245,221,414.88
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.