Finding the Fourth Proportional to 8,455,293,163.20, 12,682,939,744.80 and 8,455,293,163.20
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Solution
The fourth proportional to 8,455,293,163.20, 12,682,939,744.80 and 8,455,293,163.20 is: 12,682,939,744.80
Step by Step Solution
- Step 1: Write the proportion equation
8,455,293,163.20 : 12,682,939,744.80 = 8,455,293,163.20 : x - Step 2: Convert to fraction form
8,455,293,163.20/12,682,939,744.80 = 8,455,293,163.20/x - Step 3: Cross multiply
8,455,293,163.20x = 12,682,939,744.80 × 8,455,293,163.20 - Step 4: Simplify right side
8,455,293,163.20x = 107,237,973,713,484,988,416 - Step 5: Solve for x
x = 107,237,973,713,484,988,416/8,455,293,163.20 - Step 6: Final answer
x = 12,682,939,744.80
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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.