Finding the Fourth Proportional to 996,453,590.40, 1,494,680,385.60 and 306,271,163.70
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Solution
The fourth proportional to 996,453,590.40, 1,494,680,385.60 and 306,271,163.70 is: 459,406,745.55
Step by Step Solution
- Step 1: Write the proportion equation
996,453,590.40 : 1,494,680,385.60 = 306,271,163.70 : x - Step 2: Convert to fraction form
996,453,590.40/1,494,680,385.60 = 306,271,163.70/x - Step 3: Cross multiply
996,453,590.40x = 1,494,680,385.60 × 306,271,163.70 - Step 4: Simplify right side
996,453,590.40x = 457,777,501,057,276,672 - Step 5: Solve for x
x = 457,777,501,057,276,672/996,453,590.40 - Step 6: Final answer
x = 459,406,745.55
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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.