Finding the Fourth Proportional to 606,437,819.87, 836,884,190.79 and 327,979,343.07
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Solution
The fourth proportional to 606,437,819.87, 836,884,190.79 and 327,979,343.07 is: 452,611,493.10
Step by Step Solution
- Step 1: Write the proportion equation
606,437,819.87 : 836,884,190.79 = 327,979,343.07 : x - Step 2: Convert to fraction form
606,437,819.87/836,884,190.79 = 327,979,343.07/x - Step 3: Cross multiply
606,437,819.87x = 836,884,190.79 × 327,979,343.07 - Step 4: Simplify right side
606,437,819.87x = 274,480,727,120,972,736 - Step 5: Solve for x
x = 274,480,727,120,972,736/606,437,819.87 - Step 6: Final answer
x = 452,611,493.10
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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.