Finding the Fourth Proportional to 3,968,549,704.20, 5,476,555,131.30 and 2,184,365,011.08
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Solution
The fourth proportional to 3,968,549,704.20, 5,476,555,131.30 and 2,184,365,011.08 is: 3,014,399,793.81
Step by Step Solution
- Step 1: Write the proportion equation
3,968,549,704.20 : 5,476,555,131.30 = 2,184,365,011.08 : x - Step 2: Convert to fraction form
3,968,549,704.20/5,476,555,131.30 = 2,184,365,011.08/x - Step 3: Cross multiply
3,968,549,704.20x = 5,476,555,131.30 × 2,184,365,011.08 - Step 4: Simplify right side
3,968,549,704.20x = 11,962,795,410,062,354,432 - Step 5: Solve for x
x = 11,962,795,410,062,354,432/3,968,549,704.20 - Step 6: Final answer
x = 3,014,399,793.81
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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.