Finding the Fourth Proportional to 1,264,094,284.29, 1,744,410,714.18 and 699,545,198.90
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Solution
The fourth proportional to 1,264,094,284.29, 1,744,410,714.18 and 699,545,198.90 is: 965,350,571.68
Step by Step Solution
- Step 1: Write the proportion equation
1,264,094,284.29 : 1,744,410,714.18 = 699,545,198.90 : x - Step 2: Convert to fraction form
1,264,094,284.29/1,744,410,714.18 = 699,545,198.90/x - Step 3: Cross multiply
1,264,094,284.29x = 1,744,410,714.18 × 699,545,198.90 - Step 4: Simplify right side
1,264,094,284.29x = 1,220,294,140,002,119,424 - Step 5: Solve for x
x = 1,220,294,140,002,119,424/1,264,094,284.29 - Step 6: Final answer
x = 965,350,571.68
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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.