Finding the Fourth Proportional to 319,932,689.63, 441,382,113.68 and 185,948,343.50
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Solution
The fourth proportional to 319,932,689.63, 441,382,113.68 and 185,948,343.50 is: 256,536,063.83
Step by Step Solution
- Step 1: Write the proportion equation
319,932,689.63 : 441,382,113.68 = 185,948,343.50 : x - Step 2: Convert to fraction form
319,932,689.63/441,382,113.68 = 185,948,343.50/x - Step 3: Cross multiply
319,932,689.63x = 441,382,113.68 × 185,948,343.50 - Step 4: Simplify right side
319,932,689.63x = 82,074,272,886,188,048 - Step 5: Solve for x
x = 82,074,272,886,188,048/319,932,689.63 - Step 6: Final answer
x = 256,536,063.83
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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.