Finding the Fourth Proportional to 239,202,207.90, 335,790,083.70 and 239,202,207.90
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Solution
The fourth proportional to 239,202,207.90, 335,790,083.70 and 239,202,207.90 is: 335,790,083.70
Step by Step Solution
- Step 1: Write the proportion equation
239,202,207.90 : 335,790,083.70 = 239,202,207.90 : x - Step 2: Convert to fraction form
239,202,207.90/335,790,083.70 = 239,202,207.90/x - Step 3: Cross multiply
239,202,207.90x = 335,790,083.70 × 239,202,207.90 - Step 4: Simplify right side
239,202,207.90x = 80,321,729,411,965,808 - Step 5: Solve for x
x = 80,321,729,411,965,808/239,202,207.90 - Step 6: Final answer
x = 335,790,083.70
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.