Finding the Fourth Proportional to 995,414,026.80, 1,493,121,040.20 and 898,668,145.20
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Solution
The fourth proportional to 995,414,026.80, 1,493,121,040.20 and 898,668,145.20 is: 1,348,002,217.80
Step by Step Solution
- Step 1: Write the proportion equation
995,414,026.80 : 1,493,121,040.20 = 898,668,145.20 : x - Step 2: Convert to fraction form
995,414,026.80/1,493,121,040.20 = 898,668,145.20/x - Step 3: Cross multiply
995,414,026.80x = 1,493,121,040.20 × 898,668,145.20 - Step 4: Simplify right side
995,414,026.80x = 1,341,820,315,755,628,800 - Step 5: Solve for x
x = 1,341,820,315,755,628,800/995,414,026.80 - Step 6: Final answer
x = 1,348,002,217.80
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Double scale
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Similar ratio
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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.