Finding the Fourth Proportional to 355,694,976.75, 490,859,067.92 and 192,903,552.75
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Solution
The fourth proportional to 355,694,976.75, 490,859,067.92 and 192,903,552.75 is: 266,206,902.80
Step by Step Solution
- Step 1: Write the proportion equation
355,694,976.75 : 490,859,067.92 = 192,903,552.75 : x - Step 2: Convert to fraction form
355,694,976.75/490,859,067.92 = 192,903,552.75/x - Step 3: Cross multiply
355,694,976.75x = 490,859,067.92 × 192,903,552.75 - Step 4: Simplify right side
355,694,976.75x = 94,688,458,100,357,040 - Step 5: Solve for x
x = 94,688,458,100,357,040/355,694,976.75 - Step 6: Final answer
x = 266,206,902.80
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.