Finding the Fourth Proportional to 491,701,524.36, 678,539,907.62 and 268,678,306.50
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Solution
The fourth proportional to 491,701,524.36, 678,539,907.62 and 268,678,306.50 is: 370,771,584.47
Step by Step Solution
- Step 1: Write the proportion equation
491,701,524.36 : 678,539,907.62 = 268,678,306.50 : x - Step 2: Convert to fraction form
491,701,524.36/678,539,907.62 = 268,678,306.50/x - Step 3: Cross multiply
491,701,524.36x = 678,539,907.62 × 268,678,306.50 - Step 4: Simplify right side
491,701,524.36x = 182,308,953,272,008,032 - Step 5: Solve for x
x = 182,308,953,272,008,032/491,701,524.36 - Step 6: Final answer
x = 370,771,584.47
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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.