Finding the Fourth Proportional to 329,767,247.80, 494,650,871.70 and 214,975,991.80
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Solution
The fourth proportional to 329,767,247.80, 494,650,871.70 and 214,975,991.80 is: 322,463,987.70
Step by Step Solution
- Step 1: Write the proportion equation
329,767,247.80 : 494,650,871.70 = 214,975,991.80 : x - Step 2: Convert to fraction form
329,767,247.80/494,650,871.70 = 214,975,991.80/x - Step 3: Cross multiply
329,767,247.80x = 494,650,871.70 × 214,975,991.80 - Step 4: Simplify right side
329,767,247.80x = 106,338,061,738,442,048 - Step 5: Solve for x
x = 106,338,061,738,442,048/329,767,247.80 - Step 6: Final answer
x = 322,463,987.70
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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.