Finding the Fourth Proportional to 317,022,355.21, 437,494,018.85 and 177,790,126.81
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Solution
The fourth proportional to 317,022,355.21, 437,494,018.85 and 177,790,126.81 is: 245,352,152.02
Step by Step Solution
- Step 1: Write the proportion equation
317,022,355.21 : 437,494,018.85 = 177,790,126.81 : x - Step 2: Convert to fraction form
317,022,355.21/437,494,018.85 = 177,790,126.81/x - Step 3: Cross multiply
317,022,355.21x = 437,494,018.85 × 177,790,126.81 - Step 4: Simplify right side
317,022,355.21x = 77,782,117,089,958,032 - Step 5: Solve for x
x = 77,782,117,089,958,032/317,022,355.21 - Step 6: Final answer
x = 245,352,152.02
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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.