Finding the Fourth Proportional to 347,730,195.30, 521,595,292.95 and 311,450,489.70
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Solution
The fourth proportional to 347,730,195.30, 521,595,292.95 and 311,450,489.70 is: 467,175,734.55
Step by Step Solution
- Step 1: Write the proportion equation
347,730,195.30 : 521,595,292.95 = 311,450,489.70 : x - Step 2: Convert to fraction form
347,730,195.30/521,595,292.95 = 311,450,489.70/x - Step 3: Cross multiply
347,730,195.30x = 521,595,292.95 × 311,450,489.70 - Step 4: Simplify right side
347,730,195.30x = 162,451,109,414,492,448 - Step 5: Solve for x
x = 162,451,109,414,492,448/347,730,195.30 - Step 6: Final answer
x = 467,175,734.55
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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.