Finding the Fourth Proportional to 1,734,458,814.27, 2,393,484,211.07 and 981,928,092.12
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Solution
The fourth proportional to 1,734,458,814.27, 2,393,484,211.07 and 981,928,092.12 is: 1,355,021,731.02
Step by Step Solution
- Step 1: Write the proportion equation
1,734,458,814.27 : 2,393,484,211.07 = 981,928,092.12 : x - Step 2: Convert to fraction form
1,734,458,814.27/2,393,484,211.07 = 981,928,092.12/x - Step 3: Cross multiply
1,734,458,814.27x = 2,393,484,211.07 × 981,928,092.12 - Step 4: Simplify right side
1,734,458,814.27x = 2,350,229,384,890,398,720 - Step 5: Solve for x
x = 2,350,229,384,890,398,720/1,734,458,814.27 - Step 6: Final answer
x = 1,355,021,731.02
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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.