Finding the Fourth Proportional to 349,659,571.31, 482,531,749.60 and 193,027,965.38
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Solution
The fourth proportional to 349,659,571.31, 482,531,749.60 and 193,027,965.38 is: 266,379,443.03
Step by Step Solution
- Step 1: Write the proportion equation
349,659,571.31 : 482,531,749.60 = 193,027,965.38 : x - Step 2: Convert to fraction form
349,659,571.31/482,531,749.60 = 193,027,965.38/x - Step 3: Cross multiply
349,659,571.31x = 482,531,749.60 × 193,027,965.38 - Step 4: Simplify right side
349,659,571.31x = 93,142,121,856,539,632 - Step 5: Solve for x
x = 93,142,121,856,539,632/349,659,571.31 - Step 6: Final answer
x = 266,379,443.03
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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.