Finding the Fourth Proportional to 3,932,756,296.66, 5,427,205,866.89 and 2,124,268,157.66
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Solution
The fourth proportional to 3,932,756,296.66, 5,427,205,866.89 and 2,124,268,157.66 is: 2,931,491,233.74
Step by Step Solution
- Step 1: Write the proportion equation
3,932,756,296.66 : 5,427,205,866.89 = 2,124,268,157.66 : x - Step 2: Convert to fraction form
3,932,756,296.66/5,427,205,866.89 = 2,124,268,157.66/x - Step 3: Cross multiply
3,932,756,296.66x = 5,427,205,866.89 × 2,124,268,157.66 - Step 4: Simplify right side
3,932,756,296.66x = 11,528,840,608,099,964,928 - Step 5: Solve for x
x = 11,528,840,608,099,964,928/3,932,756,296.66 - Step 6: Final answer
x = 2,931,491,233.74
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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.