Finding the Fourth Proportional to 397,548,037.80, 596,322,056.70 and 155,210,941.80
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Solution
The fourth proportional to 397,548,037.80, 596,322,056.70 and 155,210,941.80 is: 232,816,412.70
Step by Step Solution
- Step 1: Write the proportion equation
397,548,037.80 : 596,322,056.70 = 155,210,941.80 : x - Step 2: Convert to fraction form
397,548,037.80/596,322,056.70 = 155,210,941.80/x - Step 3: Cross multiply
397,548,037.80x = 596,322,056.70 × 155,210,941.80 - Step 4: Simplify right side
397,548,037.80x = 92,555,708,036,520,016 - Step 5: Solve for x
x = 92,555,708,036,520,016/397,548,037.80 - Step 6: Final answer
x = 232,816,412.70
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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.