Finding the Fourth Proportional to 2,659,393,062.20, 3,989,089,593.30 and 1,771,674,015.80
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Solution
The fourth proportional to 2,659,393,062.20, 3,989,089,593.30 and 1,771,674,015.80 is: 2,657,511,023.70
Step by Step Solution
- Step 1: Write the proportion equation
2,659,393,062.20 : 3,989,089,593.30 = 1,771,674,015.80 : x - Step 2: Convert to fraction form
2,659,393,062.20/3,989,089,593.30 = 1,771,674,015.80/x - Step 3: Cross multiply
2,659,393,062.20x = 3,989,089,593.30 × 1,771,674,015.80 - Step 4: Simplify right side
2,659,393,062.20x = 7,067,366,379,147,799,552 - Step 5: Solve for x
x = 7,067,366,379,147,799,552/2,659,393,062.20 - Step 6: Final answer
x = 2,657,511,023.70
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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.