Finding the Fourth Proportional to 327,452,425.20, 491,178,637.80 and 133,263,883.80
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Solution
The fourth proportional to 327,452,425.20, 491,178,637.80 and 133,263,883.80 is: 199,895,825.70
Step by Step Solution
- Step 1: Write the proportion equation
327,452,425.20 : 491,178,637.80 = 133,263,883.80 : x - Step 2: Convert to fraction form
327,452,425.20/491,178,637.80 = 133,263,883.80/x - Step 3: Cross multiply
327,452,425.20x = 491,178,637.80 × 133,263,883.80 - Step 4: Simplify right side
327,452,425.20x = 65,456,372,912,821,488 - Step 5: Solve for x
x = 65,456,372,912,821,488/327,452,425.20 - Step 6: Final answer
x = 199,895,825.70
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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.