Finding the Fourth Proportional to 426,729,812.44, 588,981,877.11 and 259,430,524.74
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Solution
The fourth proportional to 426,729,812.44, 588,981,877.11 and 259,430,524.74 is: 358,071,718.88
Step by Step Solution
- Step 1: Write the proportion equation
426,729,812.44 : 588,981,877.11 = 259,430,524.74 : x - Step 2: Convert to fraction form
426,729,812.44/588,981,877.11 = 259,430,524.74/x - Step 3: Cross multiply
426,729,812.44x = 588,981,877.11 × 259,430,524.74 - Step 4: Simplify right side
426,729,812.44x = 152,799,877,438,052,608 - Step 5: Solve for x
x = 152,799,877,438,052,608/426,729,812.44 - Step 6: Final answer
x = 358,071,718.88
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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.