Finding the Fourth Proportional to 880,770,725.94, 1,321,126,167.09 and 225,728,184.18
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Solution
The fourth proportional to 880,770,725.94, 1,321,126,167.09 and 225,728,184.18 is: 338,584,607.76
Step by Step Solution
- Step 1: Write the proportion equation
880,770,725.94 : 1,321,126,167.09 = 225,728,184.18 : x - Step 2: Convert to fraction form
880,770,725.94/1,321,126,167.09 = 225,728,184.18/x - Step 3: Cross multiply
880,770,725.94x = 1,321,126,167.09 × 225,728,184.18 - Step 4: Simplify right side
880,770,725.94x = 298,215,410,769,908,992 - Step 5: Solve for x
x = 298,215,410,769,908,992/880,770,725.94 - Step 6: Final answer
x = 338,584,607.76
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1.5x scale
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.