Finding the Fourth Proportional to 4,636,960,582.09, 6,958,382,744.66 and 1,981,036,670.50
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Solution
The fourth proportional to 4,636,960,582.09, 6,958,382,744.66 and 1,981,036,670.50 is: 2,972,811,853.90
Step by Step Solution
- Step 1: Write the proportion equation
4,636,960,582.09 : 6,958,382,744.66 = 1,981,036,670.50 : x - Step 2: Convert to fraction form
4,636,960,582.09/6,958,382,744.66 = 1,981,036,670.50/x - Step 3: Cross multiply
4,636,960,582.09x = 6,958,382,744.66 × 1,981,036,670.50 - Step 4: Simplify right side
4,636,960,582.09x = 13,784,811,384,516,667,392 - Step 5: Solve for x
x = 13,784,811,384,516,667,392/4,636,960,582.09 - Step 6: Final answer
x = 2,972,811,853.90
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.