Finding the Fourth Proportional to 567,651,332.20, 851,476,998.30 and 445,207,325.80
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Solution
The fourth proportional to 567,651,332.20, 851,476,998.30 and 445,207,325.80 is: 667,810,988.70
Step by Step Solution
- Step 1: Write the proportion equation
567,651,332.20 : 851,476,998.30 = 445,207,325.80 : x - Step 2: Convert to fraction form
567,651,332.20/851,476,998.30 = 445,207,325.80/x - Step 3: Cross multiply
567,651,332.20x = 851,476,998.30 × 445,207,325.80 - Step 4: Simplify right side
567,651,332.20x = 379,083,797,393,354,112 - Step 5: Solve for x
x = 379,083,797,393,354,112/567,651,332.20 - Step 6: Final answer
x = 667,810,988.70
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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.