Finding the Fourth Proportional to 1,612,871,112.24, 2,419,561,760.04 and 577,709,074.80
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Solution
The fourth proportional to 1,612,871,112.24, 2,419,561,760.04 and 577,709,074.80 is: 866,654,982.66
Step by Step Solution
- Step 1: Write the proportion equation
1,612,871,112.24 : 2,419,561,760.04 = 577,709,074.80 : x - Step 2: Convert to fraction form
1,612,871,112.24/2,419,561,760.04 = 577,709,074.80/x - Step 3: Cross multiply
1,612,871,112.24x = 2,419,561,760.04 × 577,709,074.80 - Step 4: Simplify right side
1,612,871,112.24x = 1,397,802,785,814,167,808 - Step 5: Solve for x
x = 1,397,802,785,814,167,808/1,612,871,112.24 - Step 6: Final answer
x = 866,654,982.66
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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.