Finding the Fourth Proportional to 398,304,029.70, 597,456,044.55 and 226,117,145.70
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Solution
The fourth proportional to 398,304,029.70, 597,456,044.55 and 226,117,145.70 is: 339,175,718.55
Step by Step Solution
- Step 1: Write the proportion equation
398,304,029.70 : 597,456,044.55 = 226,117,145.70 : x - Step 2: Convert to fraction form
398,304,029.70/597,456,044.55 = 226,117,145.70/x - Step 3: Cross multiply
398,304,029.70x = 597,456,044.55 × 226,117,145.70 - Step 4: Simplify right side
398,304,029.70x = 135,095,055,474,858,016 - Step 5: Solve for x
x = 135,095,055,474,858,016/398,304,029.70 - Step 6: Final answer
x = 339,175,718.55
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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.