Finding the Fourth Proportional to 4,147,301,912.19, 6,220,958,855.61 and 1,693,638,815.19
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Solution
The fourth proportional to 4,147,301,912.19, 6,220,958,855.61 and 1,693,638,815.19 is: 2,540,460,667.84
Step by Step Solution
- Step 1: Write the proportion equation
4,147,301,912.19 : 6,220,958,855.61 = 1,693,638,815.19 : x - Step 2: Convert to fraction form
4,147,301,912.19/6,220,958,855.61 = 1,693,638,815.19/x - Step 3: Cross multiply
4,147,301,912.19x = 6,220,958,855.61 × 1,693,638,815.19 - Step 4: Simplify right side
4,147,301,912.19x = 10,536,057,385,561,059,328 - Step 5: Solve for x
x = 10,536,057,385,561,059,328/4,147,301,912.19 - Step 6: Final answer
x = 2,540,460,667.84
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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.