Finding the Fourth Proportional to 5,392,985,418.38, 8,089,478,127.57 and 1,515,591,882.38
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Solution
The fourth proportional to 5,392,985,418.38, 8,089,478,127.57 and 1,515,591,882.38 is: 2,273,387,823.56
Step by Step Solution
- Step 1: Write the proportion equation
5,392,985,418.38 : 8,089,478,127.57 = 1,515,591,882.38 : x - Step 2: Convert to fraction form
5,392,985,418.38/8,089,478,127.57 = 1,515,591,882.38/x - Step 3: Cross multiply
5,392,985,418.38x = 8,089,478,127.57 × 1,515,591,882.38 - Step 4: Simplify right side
5,392,985,418.38x = 12,260,347,382,795,206,656 - Step 5: Solve for x
x = 12,260,347,382,795,206,656/5,392,985,418.38 - Step 6: Final answer
x = 2,273,387,823.56
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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.