Finding the Fourth Proportional to 228,826,634.40, 343,239,951.60 and 203,744,368.80
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Solution
The fourth proportional to 228,826,634.40, 343,239,951.60 and 203,744,368.80 is: 305,616,553.20
Step by Step Solution
- Step 1: Write the proportion equation
228,826,634.40 : 343,239,951.60 = 203,744,368.80 : x - Step 2: Convert to fraction form
228,826,634.40/343,239,951.60 = 203,744,368.80/x - Step 3: Cross multiply
228,826,634.40x = 343,239,951.60 × 203,744,368.80 - Step 4: Simplify right side
228,826,634.40x = 69,933,207,285,684,560 - Step 5: Solve for x
x = 69,933,207,285,684,560/228,826,634.40 - Step 6: Final answer
x = 305,616,553.20
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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.