Finding the Fourth Proportional to 1,647,619,091.70, 2,273,073,544.89 and 932,990,597.70
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Solution
The fourth proportional to 1,647,619,091.70, 2,273,073,544.89 and 932,990,597.70 is: 1,287,164,160.66
Step by Step Solution
- Step 1: Write the proportion equation
1,647,619,091.70 : 2,273,073,544.89 = 932,990,597.70 : x - Step 2: Convert to fraction form
1,647,619,091.70/2,273,073,544.89 = 932,990,597.70/x - Step 3: Cross multiply
1,647,619,091.70x = 2,273,073,544.89 × 932,990,597.70 - Step 4: Simplify right side
1,647,619,091.70x = 2,120,756,245,262,978,816 - Step 5: Solve for x
x = 2,120,756,245,262,978,816/1,647,619,091.70 - Step 6: Final answer
x = 1,287,164,160.66
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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.