Finding the Fourth Proportional to 290,678,889,793.70, 436,018,334,690.55 and 290,678,889,793.70
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Solution
The fourth proportional to 290,678,889,793.70, 436,018,334,690.55 and 290,678,889,793.70 is: 436,018,334,690.55
Step by Step Solution
- Step 1: Write the proportion equation
290,678,889,793.70 : 436,018,334,690.55 = 290,678,889,793.70 : x - Step 2: Convert to fraction form
290,678,889,793.70/436,018,334,690.55 = 290,678,889,793.70/x - Step 3: Cross multiply
290,678,889,793.70x = 436,018,334,690.55 × 290,678,889,793.70 - Step 4: Simplify right side
290,678,889,793.70x = 126,741,325,457,546,989,797,376 - Step 5: Solve for x
x = 126,741,325,457,546,989,797,376/290,678,889,793.70 - Step 6: Final answer
x = 436,018,334,690.55
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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.