Finding the Fourth Proportional to 12,682,780,452,021, 19,024,170,678,042 and 12,682,780,452,021
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Solution
The fourth proportional to 12,682,780,452,021, 19,024,170,678,042 and 12,682,780,452,021 is: 19,024,170,678,042
Step by Step Solution
- Step 1: Write the proportion equation
12,682,780,452,021 : 19,024,170,678,042 = 12,682,780,452,021 : x - Step 2: Convert to fraction form
12,682,780,452,021/19,024,170,678,042 = 12,682,780,452,021/x - Step 3: Cross multiply
12,682,780,452,021x = 19,024,170,678,042 × 12,682,780,452,021 - Step 4: Simplify right side
12,682,780,452,021x = 241,279,379,991,382,171,041,398,784 - Step 5: Solve for x
x = 241,279,379,991,382,171,041,398,784/12,682,780,452,021 - Step 6: Final answer
x = 19,024,170,678,042
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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.