Finding the Fourth Proportional to 3,469,116,949.44, 5,203,877,277.02 and 981,769,795.08
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Solution
The fourth proportional to 3,469,116,949.44, 5,203,877,277.02 and 981,769,795.08 is: 1,472,711,817.54
Step by Step Solution
- Step 1: Write the proportion equation
3,469,116,949.44 : 5,203,877,277.02 = 981,769,795.08 : x - Step 2: Convert to fraction form
3,469,116,949.44/5,203,877,277.02 = 981,769,795.08/x - Step 3: Cross multiply
3,469,116,949.44x = 5,203,877,277.02 × 981,769,795.08 - Step 4: Simplify right side
3,469,116,949.44x = 5,109,009,527,876,485,120 - Step 5: Solve for x
x = 5,109,009,527,876,485,120/3,469,116,949.44 - Step 6: Final answer
x = 1,472,711,817.54
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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.