Finding the Fourth Proportional to 1,116,154,717.91, 1,540,281,286.81 and 614,352,772.97
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Solution
The fourth proportional to 1,116,154,717.91, 1,540,281,286.81 and 614,352,772.97 is: 847,800,098.43
Step by Step Solution
- Step 1: Write the proportion equation
1,116,154,717.91 : 1,540,281,286.81 = 614,352,772.97 : x - Step 2: Convert to fraction form
1,116,154,717.91/1,540,281,286.81 = 614,352,772.97/x - Step 3: Cross multiply
1,116,154,717.91x = 1,540,281,286.81 × 614,352,772.97 - Step 4: Simplify right side
1,116,154,717.91x = 946,276,079,700,956,416 - Step 5: Solve for x
x = 946,276,079,700,956,416/1,116,154,717.91 - Step 6: Final answer
x = 847,800,098.43
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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.