Finding the Fourth Proportional to 5,761,942,056.75, 7,947,092,942.67 and 4,959,535,234.08
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Solution
The fourth proportional to 5,761,942,056.75, 7,947,092,942.67 and 4,959,535,234.08 is: 6,840,382,473.39
Step by Step Solution
- Step 1: Write the proportion equation
5,761,942,056.75 : 7,947,092,942.67 = 4,959,535,234.08 : x - Step 2: Convert to fraction form
5,761,942,056.75/7,947,092,942.67 = 4,959,535,234.08/x - Step 3: Cross multiply
5,761,942,056.75x = 7,947,092,942.67 × 4,959,535,234.08 - Step 4: Simplify right side
5,761,942,056.75x = 39,413,887,457,680,375,808 - Step 5: Solve for x
x = 39,413,887,457,680,375,808/5,761,942,056.75 - Step 6: Final answer
x = 6,840,382,473.39
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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.