Finding the Fourth Proportional to 457,914,895.68, 686,784,729.60 and 177,795,816.42
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Solution
The fourth proportional to 457,914,895.68, 686,784,729.60 and 177,795,816.42 is: 266,659,706.54
Step by Step Solution
- Step 1: Write the proportion equation
457,914,895.68 : 686,784,729.60 = 177,795,816.42 : x - Step 2: Convert to fraction form
457,914,895.68/686,784,729.60 = 177,795,816.42/x - Step 3: Cross multiply
457,914,895.68x = 686,784,729.60 × 177,795,816.42 - Step 4: Simplify right side
457,914,895.68x = 122,107,451,704,020,928 - Step 5: Solve for x
x = 122,107,451,704,020,928/457,914,895.68 - Step 6: Final answer
x = 266,659,706.54
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.