Finding the Fourth Proportional to 3,166,236,878.92, 4,367,591,538.89 and 1,974,737,257.65
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Solution
The fourth proportional to 3,166,236,878.92, 4,367,591,538.89 and 1,974,737,257.65 is: 2,724,005,204.87
Step by Step Solution
- Step 1: Write the proportion equation
3,166,236,878.92 : 4,367,591,538.89 = 1,974,737,257.65 : x - Step 2: Convert to fraction form
3,166,236,878.92/4,367,591,538.89 = 1,974,737,257.65/x - Step 3: Cross multiply
3,166,236,878.92x = 4,367,591,538.89 × 1,974,737,257.65 - Step 4: Simplify right side
3,166,236,878.92x = 8,624,845,738,042,983,424 - Step 5: Solve for x
x = 8,624,845,738,042,983,424/3,166,236,878.92 - Step 6: Final answer
x = 2,724,005,204.87
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.