Finding the Fourth Proportional to 323,401,795.79, 485,102,638.34 and 102,228,396.35
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Solution
The fourth proportional to 323,401,795.79, 485,102,638.34 and 102,228,396.35 is: 153,342,577.03
Step by Step Solution
- Step 1: Write the proportion equation
323,401,795.79 : 485,102,638.34 = 102,228,396.35 : x - Step 2: Convert to fraction form
323,401,795.79/485,102,638.34 = 102,228,396.35/x - Step 3: Cross multiply
323,401,795.79x = 485,102,638.34 × 102,228,396.35 - Step 4: Simplify right side
323,401,795.79x = 49,591,264,782,141,080 - Step 5: Solve for x
x = 49,591,264,782,141,080/323,401,795.79 - Step 6: Final answer
x = 153,342,577.03
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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.