Finding the Fourth Proportional to 1,469,198,946.44, 2,027,586,169.14 and 809,149,049.48
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Solution
The fourth proportional to 1,469,198,946.44, 2,027,586,169.14 and 809,149,049.48 is: 1,116,676,148.91
Step by Step Solution
- Step 1: Write the proportion equation
1,469,198,946.44 : 2,027,586,169.14 = 809,149,049.48 : x - Step 2: Convert to fraction form
1,469,198,946.44/2,027,586,169.14 = 809,149,049.48/x - Step 3: Cross multiply
1,469,198,946.44x = 2,027,586,169.14 × 809,149,049.48 - Step 4: Simplify right side
1,469,198,946.44x = 1,640,619,421,498,425,600 - Step 5: Solve for x
x = 1,640,619,421,498,425,600/1,469,198,946.44 - Step 6: Final answer
x = 1,116,676,148.91
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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.