Finding the Fourth Proportional to 232,474,356.56, 348,711,972.36 and 218,268,938.72
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Solution
The fourth proportional to 232,474,356.56, 348,711,972.36 and 218,268,938.72 is: 327,403,818.87
Step by Step Solution
- Step 1: Write the proportion equation
232,474,356.56 : 348,711,972.36 = 218,268,938.72 : x - Step 2: Convert to fraction form
232,474,356.56/348,711,972.36 = 218,268,938.72/x - Step 3: Cross multiply
232,474,356.56x = 348,711,972.36 × 218,268,938.72 - Step 4: Simplify right side
232,474,356.56x = 76,112,992,125,975,184 - Step 5: Solve for x
x = 76,112,992,125,975,184/232,474,356.56 - Step 6: Final answer
x = 327,403,818.87
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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.