Finding the Fourth Proportional to 494,958,648.60, 742,437,972.90 and 222,860,856.60
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Solution
The fourth proportional to 494,958,648.60, 742,437,972.90 and 222,860,856.60 is: 334,291,284.90
Step by Step Solution
- Step 1: Write the proportion equation
494,958,648.60 : 742,437,972.90 = 222,860,856.60 : x - Step 2: Convert to fraction form
494,958,648.60/742,437,972.90 = 222,860,856.60/x - Step 3: Cross multiply
494,958,648.60x = 742,437,972.90 × 222,860,856.60 - Step 4: Simplify right side
494,958,648.60x = 165,460,362,612,861,568 - Step 5: Solve for x
x = 165,460,362,612,861,568/494,958,648.60 - Step 6: Final answer
x = 334,291,284.90
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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.