Finding the Fourth Proportional to 2,190,694,668.52, 3,286,067,246.08 and 791,785,181.42
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Solution
The fourth proportional to 2,190,694,668.52, 3,286,067,246.08 and 791,785,181.42 is: 1,187,686,895.84
Step by Step Solution
- Step 1: Write the proportion equation
2,190,694,668.52 : 3,286,067,246.08 = 791,785,181.42 : x - Step 2: Convert to fraction form
2,190,694,668.52/3,286,067,246.08 = 791,785,181.42/x - Step 3: Cross multiply
2,190,694,668.52x = 3,286,067,246.08 × 791,785,181.42 - Step 4: Simplify right side
2,190,694,668.52x = 2,601,859,350,595,772,416 - Step 5: Solve for x
x = 2,601,859,350,595,772,416/2,190,694,668.52 - Step 6: Final answer
x = 1,187,686,895.84
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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.