Finding the Fourth Proportional to 1,474,545,496.80, 2,211,803,096.16 and 852,364,838.56
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Solution
The fourth proportional to 1,474,545,496.80, 2,211,803,096.16 and 852,364,838.56 is: 1,278,538,500.90
Step by Step Solution
- Step 1: Write the proportion equation
1,474,545,496.80 : 2,211,803,096.16 = 852,364,838.56 : x - Step 2: Convert to fraction form
1,474,545,496.80/2,211,803,096.16 = 852,364,838.56/x - Step 3: Cross multiply
1,474,545,496.80x = 2,211,803,096.16 × 852,364,838.56 - Step 4: Simplify right side
1,474,545,496.80x = 1,885,263,188,984,926,208 - Step 5: Solve for x
x = 1,885,263,188,984,926,208/1,474,545,496.80 - Step 6: Final answer
x = 1,278,538,500.90
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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.