Finding the Fourth Proportional to 264,695,654.40, 397,043,481.60 and 203,473,651.20
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Solution
The fourth proportional to 264,695,654.40, 397,043,481.60 and 203,473,651.20 is: 305,210,476.80
Step by Step Solution
- Step 1: Write the proportion equation
264,695,654.40 : 397,043,481.60 = 203,473,651.20 : x - Step 2: Convert to fraction form
264,695,654.40/397,043,481.60 = 203,473,651.20/x - Step 3: Cross multiply
264,695,654.40x = 397,043,481.60 × 203,473,651.20 - Step 4: Simplify right side
264,695,654.40x = 80,787,886,886,312,016 - Step 5: Solve for x
x = 80,787,886,886,312,016/264,695,654.40 - Step 6: Final answer
x = 305,210,476.80
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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.