Finding the Fourth Proportional to 343,512,077.70, 515,268,116.55 and 275,487,629.70
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Solution
The fourth proportional to 343,512,077.70, 515,268,116.55 and 275,487,629.70 is: 413,231,444.55
Step by Step Solution
- Step 1: Write the proportion equation
343,512,077.70 : 515,268,116.55 = 275,487,629.70 : x - Step 2: Convert to fraction form
343,512,077.70/515,268,116.55 = 275,487,629.70/x - Step 3: Cross multiply
343,512,077.70x = 515,268,116.55 × 275,487,629.70 - Step 4: Simplify right side
343,512,077.70x = 141,949,992,088,342,832 - Step 5: Solve for x
x = 141,949,992,088,342,832/343,512,077.70 - Step 6: Final answer
x = 413,231,444.55
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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.