Finding the Fourth Proportional to 39,793,122,640.10, 54,914,774,722.61 and 21,728,764,281.84
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Solution
The fourth proportional to 39,793,122,640.10, 54,914,774,722.61 and 21,728,764,281.84 is: 29,985,839,672.09
Step by Step Solution
- Step 1: Write the proportion equation
39,793,122,640.10 : 54,914,774,722.61 = 21,728,764,281.84 : x - Step 2: Convert to fraction form
39,793,122,640.10/54,914,774,722.61 = 21,728,764,281.84/x - Step 3: Cross multiply
39,793,122,640.10x = 54,914,774,722.61 × 21,728,764,281.84 - Step 4: Simplify right side
39,793,122,640.10x = 1,193,230,195,537,829,691,392 - Step 5: Solve for x
x = 1,193,230,195,537,829,691,392/39,793,122,640.10 - Step 6: Final answer
x = 29,985,839,672.09
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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.