Finding the Fourth Proportional to 2,750,984,010.40, 4,126,476,015.60 and 1,771,431,959.20
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Solution
The fourth proportional to 2,750,984,010.40, 4,126,476,015.60 and 1,771,431,959.20 is: 2,657,147,938.80
Step by Step Solution
- Step 1: Write the proportion equation
2,750,984,010.40 : 4,126,476,015.60 = 1,771,431,959.20 : x - Step 2: Convert to fraction form
2,750,984,010.40/4,126,476,015.60 = 1,771,431,959.20/x - Step 3: Cross multiply
2,750,984,010.40x = 4,126,476,015.60 × 1,771,431,959.20 - Step 4: Simplify right side
2,750,984,010.40x = 7,309,771,492,906,118,144 - Step 5: Solve for x
x = 7,309,771,492,906,118,144/2,750,984,010.40 - Step 6: Final answer
x = 2,657,147,938.80
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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.