Finding the Fourth Proportional to 18,182,190,147.30, 27,273,285,220.95 and 11,978,360,489.70
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Solution
The fourth proportional to 18,182,190,147.30, 27,273,285,220.95 and 11,978,360,489.70 is: 17,967,540,734.55
Step by Step Solution
- Step 1: Write the proportion equation
18,182,190,147.30 : 27,273,285,220.95 = 11,978,360,489.70 : x - Step 2: Convert to fraction form
18,182,190,147.30/27,273,285,220.95 = 11,978,360,489.70/x - Step 3: Cross multiply
18,182,190,147.30x = 27,273,285,220.95 × 11,978,360,489.70 - Step 4: Simplify right side
18,182,190,147.30x = 326,689,242,114,946,433,024 - Step 5: Solve for x
x = 326,689,242,114,946,433,024/18,182,190,147.30 - Step 6: Final answer
x = 17,967,540,734.55
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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.