Finding the Fourth Proportional to 825,886,596.26, 1,139,753,574.14 and 449,524,992.94
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Solution
The fourth proportional to 825,886,596.26, 1,139,753,574.14 and 449,524,992.94 is: 620,360,857.88
Step by Step Solution
- Step 1: Write the proportion equation
825,886,596.26 : 1,139,753,574.14 = 449,524,992.94 : x - Step 2: Convert to fraction form
825,886,596.26/1,139,753,574.14 = 449,524,992.94/x - Step 3: Cross multiply
825,886,596.26x = 1,139,753,574.14 × 449,524,992.94 - Step 4: Simplify right side
825,886,596.26x = 512,347,717,368,623,296 - Step 5: Solve for x
x = 512,347,717,368,623,296/825,886,596.26 - Step 6: Final answer
x = 620,360,857.88
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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.