Finding the Fourth Proportional to 5,203,669,211,240.20, 7,181,235,728,438 and 2,859,951,668,063.80
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Solution
The fourth proportional to 5,203,669,211,240.20, 7,181,235,728,438 and 2,859,951,668,063.80 is: 3,946,827,952,849.59
Step by Step Solution
- Step 1: Write the proportion equation
5,203,669,211,240.20 : 7,181,235,728,438 = 2,859,951,668,063.80 : x - Step 2: Convert to fraction form
5,203,669,211,240.20/7,181,235,728,438 = 2,859,951,668,063.80/x - Step 3: Cross multiply
5,203,669,211,240.20x = 7,181,235,728,438 × 2,859,951,668,063.80 - Step 4: Simplify right side
5,203,669,211,240.20x = 20,537,987,100,305,615,684,108,288 - Step 5: Solve for x
x = 20,537,987,100,305,615,684,108,288/5,203,669,211,240.20 - Step 6: Final answer
x = 3,946,827,952,849.59
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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.