Finding the Fourth Proportional to 496,321,845.80, 744,482,768.70 and 132,816,201.80
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Solution
The fourth proportional to 496,321,845.80, 744,482,768.70 and 132,816,201.80 is: 199,224,302.70
Step by Step Solution
- Step 1: Write the proportion equation
496,321,845.80 : 744,482,768.70 = 132,816,201.80 : x - Step 2: Convert to fraction form
496,321,845.80/744,482,768.70 = 132,816,201.80/x - Step 3: Cross multiply
496,321,845.80x = 744,482,768.70 × 132,816,201.80 - Step 4: Simplify right side
496,321,845.80x = 98,879,373,644,281,920 - Step 5: Solve for x
x = 98,879,373,644,281,920/496,321,845.80 - Step 6: Final answer
x = 199,224,302.70
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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.