Finding the Fourth Proportional to 398,645,537.40, 597,968,306.10 and 395,958,151.80
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Solution
The fourth proportional to 398,645,537.40, 597,968,306.10 and 395,958,151.80 is: 593,937,227.70
Step by Step Solution
- Step 1: Write the proportion equation
398,645,537.40 : 597,968,306.10 = 395,958,151.80 : x - Step 2: Convert to fraction form
398,645,537.40/597,968,306.10 = 395,958,151.80/x - Step 3: Cross multiply
398,645,537.40x = 597,968,306.10 × 395,958,151.80 - Step 4: Simplify right side
398,645,537.40x = 236,770,425,318,332,672 - Step 5: Solve for x
x = 236,770,425,318,332,672/398,645,537.40 - Step 6: Final answer
x = 593,937,227.70
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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.