Finding the Fourth Proportional to 393,660,832.19, 543,268,452.52 and 226,397,224.00
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Solution
The fourth proportional to 393,660,832.19, 543,268,452.52 and 226,397,224.00 is: 312,437,660.75
Step by Step Solution
- Step 1: Write the proportion equation
393,660,832.19 : 543,268,452.52 = 226,397,224.00 : x - Step 2: Convert to fraction form
393,660,832.19/543,268,452.52 = 226,397,224.00/x - Step 3: Cross multiply
393,660,832.19x = 543,268,452.52 × 226,397,224.00 - Step 4: Simplify right side
393,660,832.19x = 122,994,469,538,262,720 - Step 5: Solve for x
x = 122,994,469,538,262,720/393,660,832.19 - Step 6: Final answer
x = 312,437,660.75
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.