Finding the Fourth Proportional to 727,443,842.60, 1,091,855,613.36 and 450,256,589.48
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Solution
The fourth proportional to 727,443,842.60, 1,091,855,613.36 and 450,256,589.48 is: 675,811,871.50
Step by Step Solution
- Step 1: Write the proportion equation
727,443,842.60 : 1,091,855,613.36 = 450,256,589.48 : x - Step 2: Convert to fraction form
727,443,842.60/1,091,855,613.36 = 450,256,589.48/x - Step 3: Cross multiply
727,443,842.60x = 1,091,855,613.36 × 450,256,589.48 - Step 4: Simplify right side
727,443,842.60x = 491,615,184,676,067,072 - Step 5: Solve for x
x = 491,615,184,676,067,072/727,443,842.60 - Step 6: Final answer
x = 675,811,871.50
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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.