Finding the Fourth Proportional to 496,352,330.20, 744,528,495.30 and 419,824,826.20
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Solution
The fourth proportional to 496,352,330.20, 744,528,495.30 and 419,824,826.20 is: 629,737,239.30
Step by Step Solution
- Step 1: Write the proportion equation
496,352,330.20 : 744,528,495.30 = 419,824,826.20 : x - Step 2: Convert to fraction form
496,352,330.20/744,528,495.30 = 419,824,826.20/x - Step 3: Cross multiply
496,352,330.20x = 744,528,495.30 × 419,824,826.20 - Step 4: Simplify right side
496,352,330.20x = 312,571,546,140,270,016 - Step 5: Solve for x
x = 312,571,546,140,270,016/496,352,330.20 - Step 6: Final answer
x = 629,737,239.30
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Similar ratio
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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.