Finding the Fourth Proportional to 324,343,487,891.80, 486,515,231,837.70 and 324,343,487,891.80
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Solution
The fourth proportional to 324,343,487,891.80, 486,515,231,837.70 and 324,343,487,891.80 is: 486,515,231,837.70
Step by Step Solution
- Step 1: Write the proportion equation
324,343,487,891.80 : 486,515,231,837.70 = 324,343,487,891.80 : x - Step 2: Convert to fraction form
324,343,487,891.80/486,515,231,837.70 = 324,343,487,891.80/x - Step 3: Cross multiply
324,343,487,891.80x = 486,515,231,837.70 × 324,343,487,891.80 - Step 4: Simplify right side
324,343,487,891.80x = 157,798,047,206,727,307,231,232 - Step 5: Solve for x
x = 157,798,047,206,727,307,231,232/324,343,487,891.80 - Step 6: Final answer
x = 486,515,231,837.70
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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.