Finding the Fourth Proportional to 397,318,660.68, 548,351,962.60 and 227,839,222.08
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Solution
The fourth proportional to 397,318,660.68, 548,351,962.60 and 227,839,222.08 is: 314,448,066.37
Step by Step Solution
- Step 1: Write the proportion equation
397,318,660.68 : 548,351,962.60 = 227,839,222.08 : x - Step 2: Convert to fraction form
397,318,660.68/548,351,962.60 = 227,839,222.08/x - Step 3: Cross multiply
397,318,660.68x = 548,351,962.60 × 227,839,222.08 - Step 4: Simplify right side
397,318,660.68x = 124,936,084,584,825,264 - Step 5: Solve for x
x = 124,936,084,584,825,264/397,318,660.68 - Step 6: Final answer
x = 314,448,066.37
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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.