Finding the Fourth Proportional to 635,416,132.68, 876,711,412.50 and 370,946,152.44
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Solution
The fourth proportional to 635,416,132.68, 876,711,412.50 and 370,946,152.44 is: 511,810,620.70
Step by Step Solution
- Step 1: Write the proportion equation
635,416,132.68 : 876,711,412.50 = 370,946,152.44 : x - Step 2: Convert to fraction form
635,416,132.68/876,711,412.50 = 370,946,152.44/x - Step 3: Cross multiply
635,416,132.68x = 876,711,412.50 × 370,946,152.44 - Step 4: Simplify right side
635,416,132.68x = 325,212,725,267,112,704 - Step 5: Solve for x
x = 325,212,725,267,112,704/635,416,132.68 - Step 6: Final answer
x = 511,810,620.70
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.