Finding the Fourth Proportional to 450,143,286.72, 675,207,560.16 and 143,431,252.80
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Solution
The fourth proportional to 450,143,286.72, 675,207,560.16 and 143,431,252.80 is: 215,144,530.89
Step by Step Solution
- Step 1: Write the proportion equation
450,143,286.72 : 675,207,560.16 = 143,431,252.80 : x - Step 2: Convert to fraction form
450,143,286.72/675,207,560.16 = 143,431,252.80/x - Step 3: Cross multiply
450,143,286.72x = 675,207,560.16 × 143,431,252.80 - Step 4: Simplify right side
450,143,286.72x = 96,845,866,253,780,176 - Step 5: Solve for x
x = 96,845,866,253,780,176/450,143,286.72 - Step 6: Final answer
x = 215,144,530.89
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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.