Finding the Fourth Proportional to 5,058,472,134.48, 6,981,421,727.88 and 2,914,668,205.74
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Solution
The fourth proportional to 5,058,472,134.48, 6,981,421,727.88 and 2,914,668,205.74 is: 4,022,662,851.58
Step by Step Solution
- Step 1: Write the proportion equation
5,058,472,134.48 : 6,981,421,727.88 = 2,914,668,205.74 : x - Step 2: Convert to fraction form
5,058,472,134.48/6,981,421,727.88 = 2,914,668,205.74/x - Step 3: Cross multiply
5,058,472,134.48x = 6,981,421,727.88 × 2,914,668,205.74 - Step 4: Simplify right side
5,058,472,134.48x = 20,348,527,941,114,249,216 - Step 5: Solve for x
x = 20,348,527,941,114,249,216/5,058,472,134.48 - Step 6: Final answer
x = 4,022,662,851.58
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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.