Finding the Fourth Proportional to 504,481,133.92, 756,358,525.92 and 309,990,715.12
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Solution
The fourth proportional to 504,481,133.92, 756,358,525.92 and 309,990,715.12 is: 464,762,910.98
Step by Step Solution
- Step 1: Write the proportion equation
504,481,133.92 : 756,358,525.92 = 309,990,715.12 : x - Step 2: Convert to fraction form
504,481,133.92/756,358,525.92 = 309,990,715.12/x - Step 3: Cross multiply
504,481,133.92x = 756,358,525.92 × 309,990,715.12 - Step 4: Simplify right side
504,481,133.92x = 234,464,120,337,049,856 - Step 5: Solve for x
x = 234,464,120,337,049,856/504,481,133.92 - Step 6: Final answer
x = 464,762,910.98
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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.