Finding the Fourth Proportional to 319,988,613.24, 441,582,229.26 and 180,804,434.04
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Solution
The fourth proportional to 319,988,613.24, 441,582,229.26 and 180,804,434.04 is: 249,508,956.69
Step by Step Solution
- Step 1: Write the proportion equation
319,988,613.24 : 441,582,229.26 = 180,804,434.04 : x - Step 2: Convert to fraction form
319,988,613.24/441,582,229.26 = 180,804,434.04/x - Step 3: Cross multiply
319,988,613.24x = 441,582,229.26 × 180,804,434.04 - Step 4: Simplify right side
319,988,613.24x = 79,840,025,043,475,824 - Step 5: Solve for x
x = 79,840,025,043,475,824/319,988,613.24 - Step 6: Final answer
x = 249,508,956.69
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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.