Finding the Fourth Proportional to 8,215,192,255.34, 12,318,707,908.17 and 2,618,401,079.99
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Solution
The fourth proportional to 8,215,192,255.34, 12,318,707,908.17 and 2,618,401,079.99 is: 3,926,301,063.72
Step by Step Solution
- Step 1: Write the proportion equation
8,215,192,255.34 : 12,318,707,908.17 = 2,618,401,079.99 : x - Step 2: Convert to fraction form
8,215,192,255.34/12,318,707,908.17 = 2,618,401,079.99/x - Step 3: Cross multiply
8,215,192,255.34x = 12,318,707,908.17 × 2,618,401,079.99 - Step 4: Simplify right side
8,215,192,255.34x = 32,255,318,090,833,678,336 - Step 5: Solve for x
x = 32,255,318,090,833,678,336/8,215,192,255.34 - Step 6: Final answer
x = 3,926,301,063.72
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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.