Finding the Fourth Proportional to 511,651,145.67, 706,080,708.35 and 276,701,806.14
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Solution
The fourth proportional to 511,651,145.67, 706,080,708.35 and 276,701,806.14 is: 381,849,642.93
Step by Step Solution
- Step 1: Write the proportion equation
511,651,145.67 : 706,080,708.35 = 276,701,806.14 : x - Step 2: Convert to fraction form
511,651,145.67/706,080,708.35 = 276,701,806.14/x - Step 3: Cross multiply
511,651,145.67x = 706,080,708.35 × 276,701,806.14 - Step 4: Simplify right side
511,651,145.67x = 195,373,807,281,055,584 - Step 5: Solve for x
x = 195,373,807,281,055,584/511,651,145.67 - Step 6: Final answer
x = 381,849,642.93
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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.