Finding the Fourth Proportional to 902,562,805.80, 1,351,691,872.62 and 902,562,805.80
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Solution
The fourth proportional to 902,562,805.80, 1,351,691,872.62 and 902,562,805.80 is: 1,351,691,872.62
Step by Step Solution
- Step 1: Write the proportion equation
902,562,805.80 : 1,351,691,872.62 = 902,562,805.80 : x - Step 2: Convert to fraction form
902,562,805.80/1,351,691,872.62 = 902,562,805.80/x - Step 3: Cross multiply
902,562,805.80x = 1,351,691,872.62 × 902,562,805.80 - Step 4: Simplify right side
902,562,805.80x = 1,219,986,809,125,624,064 - Step 5: Solve for x
x = 1,219,986,809,125,624,064/902,562,805.80 - Step 6: Final answer
x = 1,351,691,872.62
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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.