Finding the Fourth Proportional to 14,861,738,376.23, 20,509,202,306.95 and 8,178,734,940.98
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Solution
The fourth proportional to 14,861,738,376.23, 20,509,202,306.95 and 8,178,734,940.98 is: 11,286,656,060.89
Step by Step Solution
- Step 1: Write the proportion equation
14,861,738,376.23 : 20,509,202,306.95 = 8,178,734,940.98 : x - Step 2: Convert to fraction form
14,861,738,376.23/20,509,202,306.95 = 8,178,734,940.98/x - Step 3: Cross multiply
14,861,738,376.23x = 20,509,202,306.95 × 8,178,734,940.98 - Step 4: Simplify right side
14,861,738,376.23x = 167,739,329,519,364,800,512 - Step 5: Solve for x
x = 167,739,329,519,364,800,512/14,861,738,376.23 - Step 6: Final answer
x = 11,286,656,060.89
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.