Finding the Fourth Proportional to 393,296,838.60, 589,889,270.70 and 134,524,000.20
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Solution
The fourth proportional to 393,296,838.60, 589,889,270.70 and 134,524,000.20 is: 201,766,850.33
Step by Step Solution
- Step 1: Write the proportion equation
393,296,838.60 : 589,889,270.70 = 134,524,000.20 : x - Step 2: Convert to fraction form
393,296,838.60/589,889,270.70 = 134,524,000.20/x - Step 3: Cross multiply
393,296,838.60x = 589,889,270.70 × 134,524,000.20 - Step 4: Simplify right side
393,296,838.60x = 79,354,264,369,624,656 - Step 5: Solve for x
x = 79,354,264,369,624,656/393,296,838.60 - Step 6: Final answer
x = 201,766,850.33
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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.