Finding the Fourth Proportional to 1,624,103,858.38, 2,241,205,324.12 and 919,240,704.88
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Solution
The fourth proportional to 1,624,103,858.38, 2,241,205,324.12 and 919,240,704.88 is: 1,268,519,344.56
Step by Step Solution
- Step 1: Write the proportion equation
1,624,103,858.38 : 2,241,205,324.12 = 919,240,704.88 : x - Step 2: Convert to fraction form
1,624,103,858.38/2,241,205,324.12 = 919,240,704.88/x - Step 3: Cross multiply
1,624,103,858.38x = 2,241,205,324.12 × 919,240,704.88 - Step 4: Simplify right side
1,624,103,858.38x = 2,060,207,161,924,877,568 - Step 5: Solve for x
x = 2,060,207,161,924,877,568/1,624,103,858.38 - Step 6: Final answer
x = 1,268,519,344.56
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1.5x scale
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.