Finding the Fourth Proportional to 8,286,851,633.66, 11,435,721,794.79 and 4,527,581,481.98
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Solution
The fourth proportional to 8,286,851,633.66, 11,435,721,794.79 and 4,527,581,481.98 is: 6,247,989,528.48
Step by Step Solution
- Step 1: Write the proportion equation
8,286,851,633.66 : 11,435,721,794.79 = 4,527,581,481.98 : x - Step 2: Convert to fraction form
8,286,851,633.66/11,435,721,794.79 = 4,527,581,481.98/x - Step 3: Cross multiply
8,286,851,633.66x = 11,435,721,794.79 × 4,527,581,481.98 - Step 4: Simplify right side
8,286,851,633.66x = 51,776,162,231,166,296,064 - Step 5: Solve for x
x = 51,776,162,231,166,296,064/8,286,851,633.66 - Step 6: Final answer
x = 6,247,989,528.48
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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.