Finding the Fourth Proportional to 5,058,471,990.24, 6,981,421,528.56 and 2,914,668,061.44
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Solution
The fourth proportional to 5,058,471,990.24, 6,981,421,528.56 and 2,914,668,061.44 is: 4,022,662,652.28
Step by Step Solution
- Step 1: Write the proportion equation
5,058,471,990.24 : 6,981,421,528.56 = 2,914,668,061.44 : x - Step 2: Convert to fraction form
5,058,471,990.24/6,981,421,528.56 = 2,914,668,061.44/x - Step 3: Cross multiply
5,058,471,990.24x = 6,981,421,528.56 × 2,914,668,061.44 - Step 4: Simplify right side
5,058,471,990.24x = 20,348,526,352,743,456,768 - Step 5: Solve for x
x = 20,348,526,352,743,456,768/5,058,471,990.24 - Step 6: Final answer
x = 4,022,662,652.28
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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.