Finding the Fourth Proportional to 303,885,623.16, 419,366,921.40 and 178,440,593.09
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Solution
The fourth proportional to 303,885,623.16, 419,366,921.40 and 178,440,593.09 is: 246,250,814.36
Step by Step Solution
- Step 1: Write the proportion equation
303,885,623.16 : 419,366,921.40 = 178,440,593.09 : x - Step 2: Convert to fraction form
303,885,623.16/419,366,921.40 = 178,440,593.09/x - Step 3: Cross multiply
303,885,623.16x = 419,366,921.40 × 178,440,593.09 - Step 4: Simplify right side
303,885,623.16x = 74,832,082,174,846,576 - Step 5: Solve for x
x = 74,832,082,174,846,576/303,885,623.16 - Step 6: Final answer
x = 246,250,814.36
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.