Finding the Fourth Proportional to 402,678,357.66, 603,625,802.30 and 192,534,434.23
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Solution
The fourth proportional to 402,678,357.66, 603,625,802.30 and 192,534,434.23 is: 288,614,349.69
Step by Step Solution
- Step 1: Write the proportion equation
402,678,357.66 : 603,625,802.30 = 192,534,434.23 : x - Step 2: Convert to fraction form
402,678,357.66/603,625,802.30 = 192,534,434.23/x - Step 3: Cross multiply
402,678,357.66x = 603,625,802.30 × 192,534,434.23 - Step 4: Simplify right side
402,678,357.66x = 116,218,752,328,479,520 - Step 5: Solve for x
x = 116,218,752,328,479,520/402,678,357.66 - Step 6: Final answer
x = 288,614,349.69
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.