Finding the Fourth Proportional to 440,212,236.96, 607,479,756.84 and 252,034,287.60
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Solution
The fourth proportional to 440,212,236.96, 607,479,756.84 and 252,034,287.60 is: 347,799,799.49
Step by Step Solution
- Step 1: Write the proportion equation
440,212,236.96 : 607,479,756.84 = 252,034,287.60 : x - Step 2: Convert to fraction form
440,212,236.96/607,479,756.84 = 252,034,287.60/x - Step 3: Cross multiply
440,212,236.96x = 607,479,756.84 × 252,034,287.60 - Step 4: Simplify right side
440,212,236.96x = 153,105,727,746,590,624 - Step 5: Solve for x
x = 153,105,727,746,590,624/440,212,236.96 - Step 6: Final answer
x = 347,799,799.49
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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.