Finding the Fourth Proportional to 756,102,756.30, 1,134,154,134.45 and 444,890,906.70
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Solution
The fourth proportional to 756,102,756.30, 1,134,154,134.45 and 444,890,906.70 is: 667,336,360.05
Step by Step Solution
- Step 1: Write the proportion equation
756,102,756.30 : 1,134,154,134.45 = 444,890,906.70 : x - Step 2: Convert to fraction form
756,102,756.30/1,134,154,134.45 = 444,890,906.70/x - Step 3: Cross multiply
756,102,756.30x = 1,134,154,134.45 × 444,890,906.70 - Step 4: Simplify right side
756,102,756.30x = 504,574,861,213,014,208 - Step 5: Solve for x
x = 504,574,861,213,014,208/756,102,756.30 - Step 6: Final answer
x = 667,336,360.05
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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.