Finding the Fourth Proportional to 526,532,528.70, 789,798,793.05 and 254,434,736.70
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Solution
The fourth proportional to 526,532,528.70, 789,798,793.05 and 254,434,736.70 is: 381,652,105.05
Step by Step Solution
- Step 1: Write the proportion equation
526,532,528.70 : 789,798,793.05 = 254,434,736.70 : x - Step 2: Convert to fraction form
526,532,528.70/789,798,793.05 = 254,434,736.70/x - Step 3: Cross multiply
526,532,528.70x = 789,798,793.05 × 254,434,736.70 - Step 4: Simplify right side
526,532,528.70x = 200,952,247,955,654,528 - Step 5: Solve for x
x = 200,952,247,955,654,528/526,532,528.70 - Step 6: Final answer
x = 381,652,105.05
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1.5x scale
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.