Finding the Fourth Proportional to 995,336,415.20, 1,493,004,622.80 and 834,093,279.20
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Solution
The fourth proportional to 995,336,415.20, 1,493,004,622.80 and 834,093,279.20 is: 1,251,139,918.80
Step by Step Solution
- Step 1: Write the proportion equation
995,336,415.20 : 1,493,004,622.80 = 834,093,279.20 : x - Step 2: Convert to fraction form
995,336,415.20/1,493,004,622.80 = 834,093,279.20/x - Step 3: Cross multiply
995,336,415.20x = 1,493,004,622.80 × 834,093,279.20 - Step 4: Simplify right side
995,336,415.20x = 1,245,305,121,692,011,008 - Step 5: Solve for x
x = 1,245,305,121,692,011,008/995,336,415.20 - Step 6: Final answer
x = 1,251,139,918.80
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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.