Finding the Fourth Proportional to 385,397,232.06, 578,003,285.36 and 177,936,313.90
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Solution
The fourth proportional to 385,397,232.06, 578,003,285.36 and 177,936,313.90 is: 266,861,735.02
Step by Step Solution
- Step 1: Write the proportion equation
385,397,232.06 : 578,003,285.36 = 177,936,313.90 : x - Step 2: Convert to fraction form
385,397,232.06/578,003,285.36 = 177,936,313.90/x - Step 3: Cross multiply
385,397,232.06x = 578,003,285.36 × 177,936,313.90 - Step 4: Simplify right side
385,397,232.06x = 102,847,774,019,048,240 - Step 5: Solve for x
x = 102,847,774,019,048,240/385,397,232.06 - Step 6: Final answer
x = 266,861,735.02
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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.