Finding the Fourth Proportional to 246,138,412.37, 339,775,596.65 and 153,364,757.00
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Solution
The fourth proportional to 246,138,412.37, 339,775,596.65 and 153,364,757.00 is: 211,708,531.44
Step by Step Solution
- Step 1: Write the proportion equation
246,138,412.37 : 339,775,596.65 = 153,364,757.00 : x - Step 2: Convert to fraction form
246,138,412.37/339,775,596.65 = 153,364,757.00/x - Step 3: Cross multiply
246,138,412.37x = 339,775,596.65 × 153,364,757.00 - Step 4: Simplify right side
246,138,412.37x = 52,109,601,813,441,792 - Step 5: Solve for x
x = 52,109,601,813,441,792/246,138,412.37 - Step 6: Final answer
x = 211,708,531.44
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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.