Finding the Fourth Proportional to 461,848,305.34, 637,345,588.40 and 250,149,872.84
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Solution
The fourth proportional to 461,848,305.34, 637,345,588.40 and 250,149,872.84 is: 345,204,076.86
Step by Step Solution
- Step 1: Write the proportion equation
461,848,305.34 : 637,345,588.40 = 250,149,872.84 : x - Step 2: Convert to fraction form
461,848,305.34/637,345,588.40 = 250,149,872.84/x - Step 3: Cross multiply
461,848,305.34x = 637,345,588.40 × 250,149,872.84 - Step 4: Simplify right side
461,848,305.34x = 159,431,917,892,144,224 - Step 5: Solve for x
x = 159,431,917,892,144,224/461,848,305.34 - Step 6: Final answer
x = 345,204,076.86
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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.