Finding the Fourth Proportional to 463,251,367.15, 639,284,563.35 and 251,556,306.75
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Solution
The fourth proportional to 463,251,367.15, 639,284,563.35 and 251,556,306.75 is: 347,146,441.70
Step by Step Solution
- Step 1: Write the proportion equation
463,251,367.15 : 639,284,563.35 = 251,556,306.75 : x - Step 2: Convert to fraction form
463,251,367.15/639,284,563.35 = 251,556,306.75/x - Step 3: Cross multiply
463,251,367.15x = 639,284,563.35 × 251,556,306.75 - Step 4: Simplify right side
463,251,367.15x = 160,816,063,718,612,416 - Step 5: Solve for x
x = 160,816,063,718,612,416/463,251,367.15 - Step 6: Final answer
x = 347,146,441.70
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.