Finding the Fourth Proportional to 4,310,334,115.20, 6,465,501,172.80 and 4,269,519,446.40
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Solution
The fourth proportional to 4,310,334,115.20, 6,465,501,172.80 and 4,269,519,446.40 is: 6,404,279,169.60
Step by Step Solution
- Step 1: Write the proportion equation
4,310,334,115.20 : 6,465,501,172.80 = 4,269,519,446.40 : x - Step 2: Convert to fraction form
4,310,334,115.20/6,465,501,172.80 = 4,269,519,446.40/x - Step 3: Cross multiply
4,310,334,115.20x = 6,465,501,172.80 × 4,269,519,446.40 - Step 4: Simplify right side
4,310,334,115.20x = 27,604,582,987,991,609,344 - Step 5: Solve for x
x = 27,604,582,987,991,609,344/4,310,334,115.20 - Step 6: Final answer
x = 6,404,279,169.60
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Double scale
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Similar ratio
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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.