Finding the Fourth Proportional to 7,554,362,808.40, 11,331,544,212.60 and 2,646,398,885.20
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Solution
The fourth proportional to 7,554,362,808.40, 11,331,544,212.60 and 2,646,398,885.20 is: 3,969,598,327.80
Step by Step Solution
- Step 1: Write the proportion equation
7,554,362,808.40 : 11,331,544,212.60 = 2,646,398,885.20 : x - Step 2: Convert to fraction form
7,554,362,808.40/11,331,544,212.60 = 2,646,398,885.20/x - Step 3: Cross multiply
7,554,362,808.40x = 11,331,544,212.60 × 2,646,398,885.20 - Step 4: Simplify right side
7,554,362,808.40x = 29,987,785,971,819,151,360 - Step 5: Solve for x
x = 29,987,785,971,819,151,360/7,554,362,808.40 - Step 6: Final answer
x = 3,969,598,327.80
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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.