Finding the Fourth Proportional to 415,194,309.60, 622,366,311.60 and 242,582,272.80
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Solution
The fourth proportional to 415,194,309.60, 622,366,311.60 and 242,582,272.80 is: 363,625,008.56
Step by Step Solution
- Step 1: Write the proportion equation
415,194,309.60 : 622,366,311.60 = 242,582,272.80 : x - Step 2: Convert to fraction form
415,194,309.60/622,366,311.60 = 242,582,272.80/x - Step 3: Cross multiply
415,194,309.60x = 622,366,311.60 × 242,582,272.80 - Step 4: Simplify right side
415,194,309.60x = 150,975,034,382,081,024 - Step 5: Solve for x
x = 150,975,034,382,081,024/415,194,309.60 - Step 6: Final answer
x = 363,625,008.56
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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.