Finding the Fourth Proportional to 977,622,057.80, 1,466,433,086.70 and 851,351,676.20
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Solution
The fourth proportional to 977,622,057.80, 1,466,433,086.70 and 851,351,676.20 is: 1,277,027,514.30
Step by Step Solution
- Step 1: Write the proportion equation
977,622,057.80 : 1,466,433,086.70 = 851,351,676.20 : x - Step 2: Convert to fraction form
977,622,057.80/1,466,433,086.70 = 851,351,676.20/x - Step 3: Cross multiply
977,622,057.80x = 1,466,433,086.70 × 851,351,676.20 - Step 4: Simplify right side
977,622,057.80x = 1,248,450,266,397,185,024 - Step 5: Solve for x
x = 1,248,450,266,397,185,024/977,622,057.80 - Step 6: Final answer
x = 1,277,027,514.30
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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.