Finding the Fourth Proportional to 511,682,941.51, 706,122,453.81 and 276,733,601.99
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Solution
The fourth proportional to 511,682,941.51, 706,122,453.81 and 276,733,601.99 is: 381,892,367.79
Step by Step Solution
- Step 1: Write the proportion equation
511,682,941.51 : 706,122,453.81 = 276,733,601.99 : x - Step 2: Convert to fraction form
511,682,941.51/706,122,453.81 = 276,733,601.99/x - Step 3: Cross multiply
511,682,941.51x = 706,122,453.81 × 276,733,601.99 - Step 4: Simplify right side
511,682,941.51x = 195,407,810,088,858,688 - Step 5: Solve for x
x = 195,407,810,088,858,688/511,682,941.51 - Step 6: Final answer
x = 381,892,367.79
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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.