Finding the Fourth Proportional to 304,751,651.11, 420,554,965.84 and 165,523,409.33
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Solution
The fourth proportional to 304,751,651.11, 420,554,965.84 and 165,523,409.33 is: 228,421,048.75
Step by Step Solution
- Step 1: Write the proportion equation
304,751,651.11 : 420,554,965.84 = 165,523,409.33 : x - Step 2: Convert to fraction form
304,751,651.11/420,554,965.84 = 165,523,409.33/x - Step 3: Cross multiply
304,751,651.11x = 420,554,965.84 × 165,523,409.33 - Step 4: Simplify right side
304,751,651.11x = 69,611,691,753,981,896 - Step 5: Solve for x
x = 69,611,691,753,981,896/304,751,651.11 - Step 6: Final answer
x = 228,421,048.75
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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.