Finding the Fourth Proportional to 319,002,362.84, 440,004,732.18 and 195,304,155.68
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Solution
The fourth proportional to 319,002,362.84, 440,004,732.18 and 195,304,155.68 is: 269,385,944.19
Step by Step Solution
- Step 1: Write the proportion equation
319,002,362.84 : 440,004,732.18 = 195,304,155.68 : x - Step 2: Convert to fraction form
319,002,362.84/440,004,732.18 = 195,304,155.68/x - Step 3: Cross multiply
319,002,362.84x = 440,004,732.18 × 195,304,155.68 - Step 4: Simplify right side
319,002,362.84x = 85,934,752,713,619,424 - Step 5: Solve for x
x = 85,934,752,713,619,424/319,002,362.84 - Step 6: Final answer
x = 269,385,944.19
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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.