Finding the Fourth Proportional to 3,101,489,685, 4,652,275,049.86 and 1,031,211,446.92
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Solution
The fourth proportional to 3,101,489,685, 4,652,275,049.86 and 1,031,211,446.92 is: 1,546,830,643.62
Step by Step Solution
- Step 1: Write the proportion equation
3,101,489,685 : 4,652,275,049.86 = 1,031,211,446.92 : x - Step 2: Convert to fraction form
3,101,489,685/4,652,275,049.86 = 1,031,211,446.92/x - Step 3: Cross multiply
3,101,489,685x = 4,652,275,049.86 × 1,031,211,446.92 - Step 4: Simplify right side
3,101,489,685x = 4,797,479,285,635,945,472 - Step 5: Solve for x
x = 4,797,479,285,635,945,472/3,101,489,685 - Step 6: Final answer
x = 1,546,830,643.62
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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.