Finding the Fourth Proportional to 742,082,728.14, 1,113,123,452.67 and 189,385,112.09
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Solution
The fourth proportional to 742,082,728.14, 1,113,123,452.67 and 189,385,112.09 is: 284,077,504.91
Step by Step Solution
- Step 1: Write the proportion equation
742,082,728.14 : 1,113,123,452.67 = 189,385,112.09 : x - Step 2: Convert to fraction form
742,082,728.14/1,113,123,452.67 = 189,385,112.09/x - Step 3: Cross multiply
742,082,728.14x = 1,113,123,452.67 × 189,385,112.09 - Step 4: Simplify right side
742,082,728.14x = 210,809,009,848,350,176 - Step 5: Solve for x
x = 210,809,009,848,350,176/742,082,728.14 - Step 6: Final answer
x = 284,077,504.91
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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.