Finding the Fourth Proportional to 3,236,112,276.40, 4,854,168,414.60 and 1,860,170,849.20
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Solution
The fourth proportional to 3,236,112,276.40, 4,854,168,414.60 and 1,860,170,849.20 is: 2,790,256,273.80
Step by Step Solution
- Step 1: Write the proportion equation
3,236,112,276.40 : 4,854,168,414.60 = 1,860,170,849.20 : x - Step 2: Convert to fraction form
3,236,112,276.40/4,854,168,414.60 = 1,860,170,849.20/x - Step 3: Cross multiply
3,236,112,276.40x = 4,854,168,414.60 × 1,860,170,849.20 - Step 4: Simplify right side
3,236,112,276.40x = 9,029,582,581,946,300,416 - Step 5: Solve for x
x = 9,029,582,581,946,300,416/3,236,112,276.40 - Step 6: Final answer
x = 2,790,256,273.80
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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.