Finding the Fourth Proportional to 504,569,432.70, 756,854,149.05 and 136,103,672.70
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Solution
The fourth proportional to 504,569,432.70, 756,854,149.05 and 136,103,672.70 is: 204,155,509.05
Step by Step Solution
- Step 1: Write the proportion equation
504,569,432.70 : 756,854,149.05 = 136,103,672.70 : x - Step 2: Convert to fraction form
504,569,432.70/756,854,149.05 = 136,103,672.70/x - Step 3: Cross multiply
504,569,432.70x = 756,854,149.05 × 136,103,672.70 - Step 4: Simplify right side
504,569,432.70x = 103,010,629,383,938,208 - Step 5: Solve for x
x = 103,010,629,383,938,208/504,569,432.70 - Step 6: Final answer
x = 204,155,509.05
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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.