Finding the Fourth Proportional to 496,352,318.70, 744,528,478.05 and 419,824,814.70
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Solution
The fourth proportional to 496,352,318.70, 744,528,478.05 and 419,824,814.70 is: 629,737,222.05
Step by Step Solution
- Step 1: Write the proportion equation
496,352,318.70 : 744,528,478.05 = 419,824,814.70 : x - Step 2: Convert to fraction form
496,352,318.70/744,528,478.05 = 419,824,814.70/x - Step 3: Cross multiply
496,352,318.70x = 744,528,478.05 × 419,824,814.70 - Step 4: Simplify right side
496,352,318.70x = 312,571,530,336,214,208 - Step 5: Solve for x
x = 312,571,530,336,214,208/496,352,318.70 - Step 6: Final answer
x = 629,737,222.05
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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.