Finding the Fourth Proportional to 325,916,794.80, 488,875,192.20 and 196,457,767.20
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Solution
The fourth proportional to 325,916,794.80, 488,875,192.20 and 196,457,767.20 is: 294,686,650.80
Step by Step Solution
- Step 1: Write the proportion equation
325,916,794.80 : 488,875,192.20 = 196,457,767.20 : x - Step 2: Convert to fraction form
325,916,794.80/488,875,192.20 = 196,457,767.20/x - Step 3: Cross multiply
325,916,794.80x = 488,875,192.20 × 196,457,767.20 - Step 4: Simplify right side
325,916,794.80x = 96,043,328,699,082,848 - Step 5: Solve for x
x = 96,043,328,699,082,848/325,916,794.80 - Step 6: Final answer
x = 294,686,650.80
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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.