Finding the Fourth Proportional to 3,993,287,612.58, 5,510,571,353.64 and 2,184,790,609.08
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Solution
The fourth proportional to 3,993,287,612.58, 5,510,571,353.64 and 2,184,790,609.08 is: 3,014,920,464.57
Step by Step Solution
- Step 1: Write the proportion equation
3,993,287,612.58 : 5,510,571,353.64 = 2,184,790,609.08 : x - Step 2: Convert to fraction form
3,993,287,612.58/5,510,571,353.64 = 2,184,790,609.08/x - Step 3: Cross multiply
3,993,287,612.58x = 5,510,571,353.64 × 2,184,790,609.08 - Step 4: Simplify right side
3,993,287,612.58x = 12,039,444,544,097,935,360 - Step 5: Solve for x
x = 12,039,444,544,097,935,360/3,993,287,612.58 - Step 6: Final answer
x = 3,014,920,464.57
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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.