Finding the Fourth Proportional to 504,416,291.41, 756,656,357.60 and 213,229,132.21
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Solution
The fourth proportional to 504,416,291.41, 756,656,357.60 and 213,229,132.21 is: 319,857,191.89
Step by Step Solution
- Step 1: Write the proportion equation
504,416,291.41 : 756,656,357.60 = 213,229,132.21 : x - Step 2: Convert to fraction form
504,416,291.41/756,656,357.60 = 213,229,132.21/x - Step 3: Cross multiply
504,416,291.41x = 756,656,357.60 × 213,229,132.21 - Step 4: Simplify right side
504,416,291.41x = 161,341,178,512,227,456 - Step 5: Solve for x
x = 161,341,178,512,227,456/504,416,291.41 - Step 6: Final answer
x = 319,857,191.89
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1.5x scale
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.