Finding the Fourth Proportional to 343,949,555.70, 515,414,149.92 and 252,626,734.26
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Solution
The fourth proportional to 343,949,555.70, 515,414,149.92 and 252,626,734.26 is: 378,565,377.77
Step by Step Solution
- Step 1: Write the proportion equation
343,949,555.70 : 515,414,149.92 = 252,626,734.26 : x - Step 2: Convert to fraction form
343,949,555.70/515,414,149.92 = 252,626,734.26/x - Step 3: Cross multiply
343,949,555.70x = 515,414,149.92 × 252,626,734.26 - Step 4: Simplify right side
343,949,555.70x = 130,207,393,485,683,632 - Step 5: Solve for x
x = 130,207,393,485,683,632/343,949,555.70 - Step 6: Final answer
x = 378,565,377.77
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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.