Finding the Fourth Proportional to 18,423,206,884, 27,634,890,632.64 and 5,832,126,940.60
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Solution
The fourth proportional to 18,423,206,884, 27,634,890,632.64 and 5,832,126,940.60 is: 8,748,215,833.10
Step by Step Solution
- Step 1: Write the proportion equation
18,423,206,884 : 27,634,890,632.64 = 5,832,126,940.60 : x - Step 2: Convert to fraction form
18,423,206,884/27,634,890,632.64 = 5,832,126,940.60/x - Step 3: Cross multiply
18,423,206,884x = 27,634,890,632.64 × 5,832,126,940.60 - Step 4: Simplify right side
18,423,206,884x = 161,170,190,159,154,315,264 - Step 5: Solve for x
x = 161,170,190,159,154,315,264/18,423,206,884 - Step 6: Final answer
x = 8,748,215,833.10
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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.