Finding the Fourth Proportional to 375,210,306.62, 517,790,272.22 and 207,957,365.99
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Solution
The fourth proportional to 375,210,306.62, 517,790,272.22 and 207,957,365.99 is: 286,981,192.27
Step by Step Solution
- Step 1: Write the proportion equation
375,210,306.62 : 517,790,272.22 = 207,957,365.99 : x - Step 2: Convert to fraction form
375,210,306.62/517,790,272.22 = 207,957,365.99/x - Step 3: Cross multiply
375,210,306.62x = 517,790,272.22 × 207,957,365.99 - Step 4: Simplify right side
375,210,306.62x = 107,678,301,146,116,288 - Step 5: Solve for x
x = 107,678,301,146,116,288/375,210,306.62 - Step 6: Final answer
x = 286,981,192.27
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.