Finding the Fourth Proportional to 2,719,783,479.96, 4,080,507,817.68 and 1,392,751,107.90
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Solution
The fourth proportional to 2,719,783,479.96, 4,080,507,817.68 and 1,392,751,107.90 is: 2,089,553,019.84
Step by Step Solution
- Step 1: Write the proportion equation
2,719,783,479.96 : 4,080,507,817.68 = 1,392,751,107.90 : x - Step 2: Convert to fraction form
2,719,783,479.96/4,080,507,817.68 = 1,392,751,107.90/x - Step 3: Cross multiply
2,719,783,479.96x = 4,080,507,817.68 × 1,392,751,107.90 - Step 4: Simplify right side
2,719,783,479.96x = 5,683,131,783,868,431,360 - Step 5: Solve for x
x = 5,683,131,783,868,431,360/2,719,783,479.96 - Step 6: Final answer
x = 2,089,553,019.84
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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.