Finding the Fourth Proportional to 356,711,845,992.50, 534,361,691,791.92 and 311,993,836,050.08
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Solution
The fourth proportional to 356,711,845,992.50, 534,361,691,791.92 and 311,993,836,050.08 is: 467,373,191,928.92
Step by Step Solution
- Step 1: Write the proportion equation
356,711,845,992.50 : 534,361,691,791.92 = 311,993,836,050.08 : x - Step 2: Convert to fraction form
356,711,845,992.50/534,361,691,791.92 = 311,993,836,050.08/x - Step 3: Cross multiply
356,711,845,992.50x = 534,361,691,791.92 × 311,993,836,050.08 - Step 4: Simplify right side
356,711,845,992.50x = 166,717,554,060,371,664,306,176 - Step 5: Solve for x
x = 166,717,554,060,371,664,306,176/356,711,845,992.50 - Step 6: Final answer
x = 467,373,191,928.92
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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.