Finding the Fourth Proportional to 3,745,112,394.67, 5,609,851,236.82 and 2,246,390,920.32
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Solution
The fourth proportional to 3,745,112,394.67, 5,609,851,236.82 and 2,246,390,920.32 is: 3,364,897,379.49
Step by Step Solution
- Step 1: Write the proportion equation
3,745,112,394.67 : 5,609,851,236.82 = 2,246,390,920.32 : x - Step 2: Convert to fraction form
3,745,112,394.67/5,609,851,236.82 = 2,246,390,920.32/x - Step 3: Cross multiply
3,745,112,394.67x = 5,609,851,236.82 × 2,246,390,920.32 - Step 4: Simplify right side
3,745,112,394.67x = 12,601,918,882,740,617,216 - Step 5: Solve for x
x = 12,601,918,882,740,617,216/3,745,112,394.67 - Step 6: Final answer
x = 3,364,897,379.49
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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.