Finding the Fourth Proportional to 1,512,071,724.40, 2,268,107,586.60 and 1,205,961,708.40
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Solution
The fourth proportional to 1,512,071,724.40, 2,268,107,586.60 and 1,205,961,708.40 is: 1,808,942,562.60
Step by Step Solution
- Step 1: Write the proportion equation
1,512,071,724.40 : 2,268,107,586.60 = 1,205,961,708.40 : x - Step 2: Convert to fraction form
1,512,071,724.40/2,268,107,586.60 = 1,205,961,708.40/x - Step 3: Cross multiply
1,512,071,724.40x = 2,268,107,586.60 × 1,205,961,708.40 - Step 4: Simplify right side
1,512,071,724.40x = 2,735,250,899,971,137,024 - Step 5: Solve for x
x = 2,735,250,899,971,137,024/1,512,071,724.40 - Step 6: Final answer
x = 1,808,942,562.60
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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.