Finding the Fourth Proportional to 424,892,436.57, 586,337,811.57 and 243,869,213.97
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Solution
The fourth proportional to 424,892,436.57, 586,337,811.57 and 243,869,213.97 is: 336,531,622.88
Step by Step Solution
- Step 1: Write the proportion equation
424,892,436.57 : 586,337,811.57 = 243,869,213.97 : x - Step 2: Convert to fraction form
424,892,436.57/586,337,811.57 = 243,869,213.97/x - Step 3: Cross multiply
424,892,436.57x = 586,337,811.57 × 243,869,213.97 - Step 4: Simplify right side
424,892,436.57x = 142,989,741,228,465,888 - Step 5: Solve for x
x = 142,989,741,228,465,888/424,892,436.57 - Step 6: Final answer
x = 336,531,622.88
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.