Finding the Fourth Proportional to 437,625,445.20, 655,542,372.60 and 222,335,998.80
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Solution
The fourth proportional to 437,625,445.20, 655,542,372.60 and 222,335,998.80 is: 333,048,888.65
Step by Step Solution
- Step 1: Write the proportion equation
437,625,445.20 : 655,542,372.60 = 222,335,998.80 : x - Step 2: Convert to fraction form
437,625,445.20/655,542,372.60 = 222,335,998.80/x - Step 3: Cross multiply
437,625,445.20x = 655,542,372.60 × 222,335,998.80 - Step 4: Simplify right side
437,625,445.20x = 145,750,668,167,742,752 - Step 5: Solve for x
x = 145,750,668,167,742,752/437,625,445.20 - Step 6: Final answer
x = 333,048,888.65
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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.