Finding the Fourth Proportional to 6,227,261,261.70, 9,340,891,892.55 and 2,085,328,205.70
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Solution
The fourth proportional to 6,227,261,261.70, 9,340,891,892.55 and 2,085,328,205.70 is: 3,127,992,308.55
Step by Step Solution
- Step 1: Write the proportion equation
6,227,261,261.70 : 9,340,891,892.55 = 2,085,328,205.70 : x - Step 2: Convert to fraction form
6,227,261,261.70/9,340,891,892.55 = 2,085,328,205.70/x - Step 3: Cross multiply
6,227,261,261.70x = 9,340,891,892.55 × 2,085,328,205.70 - Step 4: Simplify right side
6,227,261,261.70x = 19,478,825,329,928,966,144 - Step 5: Solve for x
x = 19,478,825,329,928,966,144/6,227,261,261.70 - Step 6: Final answer
x = 3,127,992,308.55
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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.