Finding the Fourth Proportional to 3,767,022,237.64, 5,198,449,432.98 and 2,073,440,672.68
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Solution
The fourth proportional to 3,767,022,237.64, 5,198,449,432.98 and 2,073,440,672.68 is: 2,861,325,420.78
Step by Step Solution
- Step 1: Write the proportion equation
3,767,022,237.64 : 5,198,449,432.98 = 2,073,440,672.68 : x - Step 2: Convert to fraction form
3,767,022,237.64/5,198,449,432.98 = 2,073,440,672.68/x - Step 3: Cross multiply
3,767,022,237.64x = 5,198,449,432.98 × 2,073,440,672.68 - Step 4: Simplify right side
3,767,022,237.64x = 10,778,676,489,211,015,168 - Step 5: Solve for x
x = 10,778,676,489,211,015,168/3,767,022,237.64 - Step 6: Final answer
x = 2,861,325,420.78
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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.