Finding the Fourth Proportional to 275,229,497.18, 412,638,037.64 and 166,029,213.73
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Solution
The fourth proportional to 275,229,497.18, 412,638,037.64 and 166,029,213.73 is: 248,919,427.77
Step by Step Solution
- Step 1: Write the proportion equation
275,229,497.18 : 412,638,037.64 = 166,029,213.73 : x - Step 2: Convert to fraction form
275,229,497.18/412,638,037.64 = 166,029,213.73/x - Step 3: Cross multiply
275,229,497.18x = 412,638,037.64 × 166,029,213.73 - Step 4: Simplify right side
275,229,497.18x = 68,509,968,943,527,776 - Step 5: Solve for x
x = 68,509,968,943,527,776/275,229,497.18 - Step 6: Final answer
x = 248,919,427.77
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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.