Finding the Fourth Proportional to 1,474,354,342.26, 2,211,539,780.25 and 491,778,184.92
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Solution
The fourth proportional to 1,474,354,342.26, 2,211,539,780.25 and 491,778,184.92 is: 737,670,034.83
Step by Step Solution
- Step 1: Write the proportion equation
1,474,354,342.26 : 2,211,539,780.25 = 491,778,184.92 : x - Step 2: Convert to fraction form
1,474,354,342.26/2,211,539,780.25 = 491,778,184.92/x - Step 3: Cross multiply
1,474,354,342.26x = 2,211,539,780.25 × 491,778,184.92 - Step 4: Simplify right side
1,474,354,342.26x = 1,087,587,019,001,427,328 - Step 5: Solve for x
x = 1,087,587,019,001,427,328/1,474,354,342.26 - Step 6: Final answer
x = 737,670,034.83
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Double scale
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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.