Finding the Fourth Proportional to 511,692,931.42, 706,136,240.37 and 276,743,585.14
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Solution
The fourth proportional to 511,692,931.42, 706,136,240.37 and 276,743,585.14 is: 381,906,144.79
Step by Step Solution
- Step 1: Write the proportion equation
511,692,931.42 : 706,136,240.37 = 276,743,585.14 : x - Step 2: Convert to fraction form
511,692,931.42/706,136,240.37 = 276,743,585.14/x - Step 3: Cross multiply
511,692,931.42x = 706,136,240.37 × 276,743,585.14 - Step 4: Simplify right side
511,692,931.42x = 195,418,674,757,274,592 - Step 5: Solve for x
x = 195,418,674,757,274,592/511,692,931.42 - Step 6: Final answer
x = 381,906,144.79
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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.