Finding the Fourth Proportional to 18,258,885,871.26, 27,369,213,330.84 and 7,641,193,539.99
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Solution
The fourth proportional to 18,258,885,871.26, 27,369,213,330.84 and 7,641,193,539.99 is: 11,453,790,640.50
Step by Step Solution
- Step 1: Write the proportion equation
18,258,885,871.26 : 27,369,213,330.84 = 7,641,193,539.99 : x - Step 2: Convert to fraction form
18,258,885,871.26/27,369,213,330.84 = 7,641,193,539.99/x - Step 3: Cross multiply
18,258,885,871.26x = 27,369,213,330.84 × 7,641,193,539.99 - Step 4: Simplify right side
18,258,885,871.26x = 209,133,456,098,222,800,896 - Step 5: Solve for x
x = 209,133,456,098,222,800,896/18,258,885,871.26 - Step 6: Final answer
x = 11,453,790,640.50
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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.