Finding the Fourth Proportional to 329,544,496.20, 494,316,744.30 and 256,815,811.20
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Solution
The fourth proportional to 329,544,496.20, 494,316,744.30 and 256,815,811.20 is: 385,223,716.80
Step by Step Solution
- Step 1: Write the proportion equation
329,544,496.20 : 494,316,744.30 = 256,815,811.20 : x - Step 2: Convert to fraction form
329,544,496.20/494,316,744.30 = 256,815,811.20/x - Step 3: Cross multiply
329,544,496.20x = 494,316,744.30 × 256,815,811.20 - Step 4: Simplify right side
329,544,496.20x = 126,948,355,677,147,472 - Step 5: Solve for x
x = 126,948,355,677,147,472/329,544,496.20 - Step 6: Final answer
x = 385,223,716.80
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.