Finding the Fourth Proportional to 3,131,614,638.40, 4,694,319,145.88 and 1,470,548,451.68
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Solution
The fourth proportional to 3,131,614,638.40, 4,694,319,145.88 and 1,470,548,451.68 is: 2,204,365,654.39
Step by Step Solution
- Step 1: Write the proportion equation
3,131,614,638.40 : 4,694,319,145.88 = 1,470,548,451.68 : x - Step 2: Convert to fraction form
3,131,614,638.40/4,694,319,145.88 = 1,470,548,451.68/x - Step 3: Cross multiply
3,131,614,638.40x = 4,694,319,145.88 × 1,470,548,451.68 - Step 4: Simplify right side
3,131,614,638.40x = 6,903,223,751,665,614,848 - Step 5: Solve for x
x = 6,903,223,751,665,614,848/3,131,614,638.40 - Step 6: Final answer
x = 2,204,365,654.39
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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.