Finding the Fourth Proportional to 18,372,861,467.80, 27,559,292,201.70 and 18,372,861,467.80
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Solution
The fourth proportional to 18,372,861,467.80, 27,559,292,201.70 and 18,372,861,467.80 is: 27,559,292,201.70
Step by Step Solution
- Step 1: Write the proportion equation
18,372,861,467.80 : 27,559,292,201.70 = 18,372,861,467.80 : x - Step 2: Convert to fraction form
18,372,861,467.80/27,559,292,201.70 = 18,372,861,467.80/x - Step 3: Cross multiply
18,372,861,467.80x = 27,559,292,201.70 × 18,372,861,467.80 - Step 4: Simplify right side
18,372,861,467.80x = 506,343,057,772,454,936,576 - Step 5: Solve for x
x = 506,343,057,772,454,936,576/18,372,861,467.80 - Step 6: Final answer
x = 27,559,292,201.70
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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.