Finding the Fourth Proportional to 394,971,230.48, 592,382,775.98 and 198,181,805.68
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Solution
The fourth proportional to 394,971,230.48, 592,382,775.98 and 198,181,805.68 is: 297,235,543.08
Step by Step Solution
- Step 1: Write the proportion equation
394,971,230.48 : 592,382,775.98 = 198,181,805.68 : x - Step 2: Convert to fraction form
394,971,230.48/592,382,775.98 = 198,181,805.68/x - Step 3: Cross multiply
394,971,230.48x = 592,382,775.98 × 198,181,805.68 - Step 4: Simplify right side
394,971,230.48x = 117,399,488,194,975,472 - Step 5: Solve for x
x = 117,399,488,194,975,472/394,971,230.48 - Step 6: Final answer
x = 297,235,543.08
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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.