Finding the Fourth Proportional to 279,444,747.40, 419,167,121.10 and 277,531,559.80
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Solution
The fourth proportional to 279,444,747.40, 419,167,121.10 and 277,531,559.80 is: 416,297,339.70
Step by Step Solution
- Step 1: Write the proportion equation
279,444,747.40 : 419,167,121.10 = 277,531,559.80 : x - Step 2: Convert to fraction form
279,444,747.40/419,167,121.10 = 277,531,559.80/x - Step 3: Cross multiply
279,444,747.40x = 419,167,121.10 × 277,531,559.80 - Step 4: Simplify right side
279,444,747.40x = 116,332,104,935,758,496 - Step 5: Solve for x
x = 116,332,104,935,758,496/279,444,747.40 - Step 6: Final answer
x = 416,297,339.70
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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.