Finding the Fourth Proportional to 416,030,892.80, 624,046,339.20 and 201,040,044.80
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Solution
The fourth proportional to 416,030,892.80, 624,046,339.20 and 201,040,044.80 is: 301,560,067.20
Step by Step Solution
- Step 1: Write the proportion equation
416,030,892.80 : 624,046,339.20 = 201,040,044.80 : x - Step 2: Convert to fraction form
416,030,892.80/624,046,339.20 = 201,040,044.80/x - Step 3: Cross multiply
416,030,892.80x = 624,046,339.20 × 201,040,044.80 - Step 4: Simplify right side
416,030,892.80x = 125,458,303,990,044,016 - Step 5: Solve for x
x = 125,458,303,990,044,016/416,030,892.80 - Step 6: Final answer
x = 301,560,067.20
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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.