Finding the Fourth Proportional to 327,090,511.40, 451,384,907.18 and 178,411,624.79
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Solution
The fourth proportional to 327,090,511.40, 451,384,907.18 and 178,411,624.79 is: 246,208,042.99
Step by Step Solution
- Step 1: Write the proportion equation
327,090,511.40 : 451,384,907.18 = 178,411,624.79 : x - Step 2: Convert to fraction form
327,090,511.40/451,384,907.18 = 178,411,624.79/x - Step 3: Cross multiply
327,090,511.40x = 451,384,907.18 × 178,411,624.79 - Step 4: Simplify right side
327,090,511.40x = 80,532,314,692,518,160 - Step 5: Solve for x
x = 80,532,314,692,518,160/327,090,511.40 - Step 6: Final answer
x = 246,208,042.99
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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.