Finding the Fourth Proportional to 694,981,444.86, 959,093,122.98 and 408,892,941.09
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Solution
The fourth proportional to 694,981,444.86, 959,093,122.98 and 408,892,941.09 is: 564,283,277.97
Step by Step Solution
- Step 1: Write the proportion equation
694,981,444.86 : 959,093,122.98 = 408,892,941.09 : x - Step 2: Convert to fraction form
694,981,444.86/959,093,122.98 = 408,892,941.09/x - Step 3: Cross multiply
694,981,444.86x = 959,093,122.98 × 408,892,941.09 - Step 4: Simplify right side
694,981,444.86x = 392,166,407,834,485,248 - Step 5: Solve for x
x = 392,166,407,834,485,248/694,981,444.86 - Step 6: Final answer
x = 564,283,277.97
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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.