Finding the Fourth Proportional to 479,207,830.21, 718,891,208.79 and 168,234,732.97
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Solution
The fourth proportional to 479,207,830.21, 718,891,208.79 and 168,234,732.97 is: 252,379,996.56
Step by Step Solution
- Step 1: Write the proportion equation
479,207,830.21 : 718,891,208.79 = 168,234,732.97 : x - Step 2: Convert to fraction form
479,207,830.21/718,891,208.79 = 168,234,732.97/x - Step 3: Cross multiply
479,207,830.21x = 718,891,208.79 × 168,234,732.97 - Step 4: Simplify right side
479,207,830.21x = 120,942,470,540,830,528 - Step 5: Solve for x
x = 120,942,470,540,830,528/479,207,830.21 - Step 6: Final answer
x = 252,379,996.56
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.