Finding the Fourth Proportional to 1,163,704,642.32, 1,745,514,446.76 and 345,795,685.68
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Solution
The fourth proportional to 1,163,704,642.32, 1,745,514,446.76 and 345,795,685.68 is: 518,680,894.65
Step by Step Solution
- Step 1: Write the proportion equation
1,163,704,642.32 : 1,745,514,446.76 = 345,795,685.68 : x - Step 2: Convert to fraction form
1,163,704,642.32/1,745,514,446.76 = 345,795,685.68/x - Step 3: Cross multiply
1,163,704,642.32x = 1,745,514,446.76 × 345,795,685.68 - Step 4: Simplify right side
1,163,704,642.32x = 603,591,364,981,720,064 - Step 5: Solve for x
x = 603,591,364,981,720,064/1,163,704,642.32 - Step 6: Final answer
x = 518,680,894.65
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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.