Finding the Fourth Proportional to 325,971,201.85, 488,788,841.18 and 121,393,973.05
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Solution
The fourth proportional to 325,971,201.85, 488,788,841.18 and 121,393,973.05 is: 182,028,409.49
Step by Step Solution
- Step 1: Write the proportion equation
325,971,201.85 : 488,788,841.18 = 121,393,973.05 : x - Step 2: Convert to fraction form
325,971,201.85/488,788,841.18 = 121,393,973.05/x - Step 3: Cross multiply
325,971,201.85x = 488,788,841.18 × 121,393,973.05 - Step 4: Simplify right side
325,971,201.85x = 59,336,019,412,738,680 - Step 5: Solve for x
x = 59,336,019,412,738,680/325,971,201.85 - Step 6: Final answer
x = 182,028,409.49
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1.5x scale
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.