Finding the Fourth Proportional to 426,020,524.43, 587,863,536.81 and 247,369,491.05
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Solution
The fourth proportional to 426,020,524.43, 587,863,536.81 and 247,369,491.05 is: 341,343,892.06
Step by Step Solution
- Step 1: Write the proportion equation
426,020,524.43 : 587,863,536.81 = 247,369,491.05 : x - Step 2: Convert to fraction form
426,020,524.43/587,863,536.81 = 247,369,491.05/x - Step 3: Cross multiply
426,020,524.43x = 587,863,536.81 × 247,369,491.05 - Step 4: Simplify right side
426,020,524.43x = 145,419,503,907,542,624 - Step 5: Solve for x
x = 145,419,503,907,542,624/426,020,524.43 - Step 6: Final answer
x = 341,343,892.06
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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.