Finding the Fourth Proportional to 551,803,231.26, 827,984,739.09 and 306,114,514.02
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Solution
The fourth proportional to 551,803,231.26, 827,984,739.09 and 306,114,514.02 is: 459,327,042.08
Step by Step Solution
- Step 1: Write the proportion equation
551,803,231.26 : 827,984,739.09 = 306,114,514.02 : x - Step 2: Convert to fraction form
551,803,231.26/827,984,739.09 = 306,114,514.02/x - Step 3: Cross multiply
551,803,231.26x = 827,984,739.09 × 306,114,514.02 - Step 4: Simplify right side
551,803,231.26x = 253,458,146,022,511,840 - Step 5: Solve for x
x = 253,458,146,022,511,840/551,803,231.26 - Step 6: Final answer
x = 459,327,042.08
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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.