Finding the Fourth Proportional to 336,546,841.80, 504,820,262.70 and 155,148,313.80
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Solution
The fourth proportional to 336,546,841.80, 504,820,262.70 and 155,148,313.80 is: 232,722,470.70
Step by Step Solution
- Step 1: Write the proportion equation
336,546,841.80 : 504,820,262.70 = 155,148,313.80 : x - Step 2: Convert to fraction form
336,546,841.80/504,820,262.70 = 155,148,313.80/x - Step 3: Cross multiply
336,546,841.80x = 504,820,262.70 × 155,148,313.80 - Step 4: Simplify right side
336,546,841.80x = 78,322,012,529,978,032 - Step 5: Solve for x
x = 78,322,012,529,978,032/336,546,841.80 - Step 6: Final answer
x = 232,722,470.70
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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.