Finding the Fourth Proportional to 474,816,082.60, 712,224,123.90 and 202,214,405.80
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Solution
The fourth proportional to 474,816,082.60, 712,224,123.90 and 202,214,405.80 is: 303,321,608.70
Step by Step Solution
- Step 1: Write the proportion equation
474,816,082.60 : 712,224,123.90 = 202,214,405.80 : x - Step 2: Convert to fraction form
474,816,082.60/712,224,123.90 = 202,214,405.80/x - Step 3: Cross multiply
474,816,082.60x = 712,224,123.90 × 202,214,405.80 - Step 4: Simplify right side
474,816,082.60x = 144,021,978,010,864,080 - Step 5: Solve for x
x = 144,021,978,010,864,080/474,816,082.60 - Step 6: Final answer
x = 303,321,608.70
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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.