Finding the Fourth Proportional to 2,016,236,415.30, 3,024,354,622.95 and 869,618,559.30
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Solution
The fourth proportional to 2,016,236,415.30, 3,024,354,622.95 and 869,618,559.30 is: 1,304,427,838.95
Step by Step Solution
- Step 1: Write the proportion equation
2,016,236,415.30 : 3,024,354,622.95 = 869,618,559.30 : x - Step 2: Convert to fraction form
2,016,236,415.30/3,024,354,622.95 = 869,618,559.30/x - Step 3: Cross multiply
2,016,236,415.30x = 3,024,354,622.95 × 869,618,559.30 - Step 4: Simplify right side
2,016,236,415.30x = 2,630,034,910,022,073,344 - Step 5: Solve for x
x = 2,630,034,910,022,073,344/2,016,236,415.30 - Step 6: Final answer
x = 1,304,427,838.95
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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.