Finding the Fourth Proportional to 5,179,061,109.94, 7,765,251,546.81 and 2,031,593,747.44
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Solution
The fourth proportional to 5,179,061,109.94, 7,765,251,546.81 and 2,031,593,747.44 is: 3,046,080,390.81
Step by Step Solution
- Step 1: Write the proportion equation
5,179,061,109.94 : 7,765,251,546.81 = 2,031,593,747.44 : x - Step 2: Convert to fraction form
5,179,061,109.94/7,765,251,546.81 = 2,031,593,747.44/x - Step 3: Cross multiply
5,179,061,109.94x = 7,765,251,546.81 × 2,031,593,747.44 - Step 4: Simplify right side
5,179,061,109.94x = 15,775,836,489,797,986,304 - Step 5: Solve for x
x = 15,775,836,489,797,986,304/5,179,061,109.94 - Step 6: Final answer
x = 3,046,080,390.81
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.