Finding the Fourth Proportional to 18,372,592,135.80, 27,558,888,203.70 and 18,372,592,135.80
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Solution
The fourth proportional to 18,372,592,135.80, 27,558,888,203.70 and 18,372,592,135.80 is: 27,558,888,203.70
Step by Step Solution
- Step 1: Write the proportion equation
18,372,592,135.80 : 27,558,888,203.70 = 18,372,592,135.80 : x - Step 2: Convert to fraction form
18,372,592,135.80/27,558,888,203.70 = 18,372,592,135.80/x - Step 3: Cross multiply
18,372,592,135.80x = 27,558,888,203.70 × 18,372,592,135.80 - Step 4: Simplify right side
18,372,592,135.80x = 506,328,212,682,690,002,944 - Step 5: Solve for x
x = 506,328,212,682,690,002,944/18,372,592,135.80 - Step 6: Final answer
x = 27,558,888,203.70
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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.