Finding the Fourth Proportional to 325,971,933.60, 488,789,938.80 and 121,394,704.80
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Solution
The fourth proportional to 325,971,933.60, 488,789,938.80 and 121,394,704.80 is: 182,029,506.88
Step by Step Solution
- Step 1: Write the proportion equation
325,971,933.60 : 488,789,938.80 = 121,394,704.80 : x - Step 2: Convert to fraction form
325,971,933.60/488,789,938.80 = 121,394,704.80/x - Step 3: Cross multiply
325,971,933.60x = 488,789,938.80 × 121,394,704.80 - Step 4: Simplify right side
325,971,933.60x = 59,336,510,329,836,064 - Step 5: Solve for x
x = 59,336,510,329,836,064/325,971,933.60 - Step 6: Final answer
x = 182,029,506.88
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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.