Finding the Fourth Proportional to 336,115,810.80, 504,173,716.20 and 278,720,182.80
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Solution
The fourth proportional to 336,115,810.80, 504,173,716.20 and 278,720,182.80 is: 418,080,274.20
Step by Step Solution
- Step 1: Write the proportion equation
336,115,810.80 : 504,173,716.20 = 278,720,182.80 : x - Step 2: Convert to fraction form
336,115,810.80/504,173,716.20 = 278,720,182.80/x - Step 3: Cross multiply
336,115,810.80x = 504,173,716.20 × 278,720,182.80 - Step 4: Simplify right side
336,115,810.80x = 140,523,390,342,219,328 - Step 5: Solve for x
x = 140,523,390,342,219,328/336,115,810.80 - Step 6: Final answer
x = 418,080,274.20
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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.