Finding the Fourth Proportional to 364,656,488.48, 503,206,841.04 and 199,612,443.68
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Solution
The fourth proportional to 364,656,488.48, 503,206,841.04 and 199,612,443.68 is: 275,454,709.82
Step by Step Solution
- Step 1: Write the proportion equation
364,656,488.48 : 503,206,841.04 = 199,612,443.68 : x - Step 2: Convert to fraction form
364,656,488.48/503,206,841.04 = 199,612,443.68/x - Step 3: Cross multiply
364,656,488.48x = 503,206,841.04 × 199,612,443.68 - Step 4: Simplify right side
364,656,488.48x = 100,446,347,216,487,728 - Step 5: Solve for x
x = 100,446,347,216,487,728/364,656,488.48 - Step 6: Final answer
x = 275,454,709.82
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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.