Finding the Fourth Proportional to 251,748,793.80, 377,623,190.70 and 183,724,345.80
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Solution
The fourth proportional to 251,748,793.80, 377,623,190.70 and 183,724,345.80 is: 275,586,518.70
Step by Step Solution
- Step 1: Write the proportion equation
251,748,793.80 : 377,623,190.70 = 183,724,345.80 : x - Step 2: Convert to fraction form
251,748,793.80/377,623,190.70 = 183,724,345.80/x - Step 3: Cross multiply
251,748,793.80x = 377,623,190.70 × 183,724,345.80 - Step 4: Simplify right side
251,748,793.80x = 69,378,573,670,266,144 - Step 5: Solve for x
x = 69,378,573,670,266,144/251,748,793.80 - Step 6: Final answer
x = 275,586,518.70
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1.5x scale
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.