Finding the Fourth Proportional to 323,401,796.29, 485,102,639.09 and 102,228,396.85
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Solution
The fourth proportional to 323,401,796.29, 485,102,639.09 and 102,228,396.85 is: 153,342,577.78
Step by Step Solution
- Step 1: Write the proportion equation
323,401,796.29 : 485,102,639.09 = 102,228,396.85 : x - Step 2: Convert to fraction form
323,401,796.29/485,102,639.09 = 102,228,396.85/x - Step 3: Cross multiply
323,401,796.29x = 485,102,639.09 × 102,228,396.85 - Step 4: Simplify right side
323,401,796.29x = 49,591,265,101,874,840 - Step 5: Solve for x
x = 49,591,265,101,874,840/323,401,796.29 - Step 6: Final answer
x = 153,342,577.78
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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.