Finding the Fourth Proportional to 2,287,882,308.12, 3,157,184,617.92 and 1,297,786,467.48
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Solution
The fourth proportional to 2,287,882,308.12, 3,157,184,617.92 and 1,297,786,467.48 is: 1,790,892,590.03
Step by Step Solution
- Step 1: Write the proportion equation
2,287,882,308.12 : 3,157,184,617.92 = 1,297,786,467.48 : x - Step 2: Convert to fraction form
2,287,882,308.12/3,157,184,617.92 = 1,297,786,467.48/x - Step 3: Cross multiply
2,287,882,308.12x = 3,157,184,617.92 × 1,297,786,467.48 - Step 4: Simplify right side
2,287,882,308.12x = 4,097,351,472,472,590,336 - Step 5: Solve for x
x = 4,097,351,472,472,590,336/2,287,882,308.12 - Step 6: Final answer
x = 1,790,892,590.03
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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.