Finding the Fourth Proportional to 39,793,122,641.10, 54,914,774,723.99 and 21,728,764,282.84
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Solution
The fourth proportional to 39,793,122,641.10, 54,914,774,723.99 and 21,728,764,282.84 is: 29,985,839,673.47
Step by Step Solution
- Step 1: Write the proportion equation
39,793,122,641.10 : 54,914,774,723.99 = 21,728,764,282.84 : x - Step 2: Convert to fraction form
39,793,122,641.10/54,914,774,723.99 = 21,728,764,282.84/x - Step 3: Cross multiply
39,793,122,641.10x = 54,914,774,723.99 × 21,728,764,282.84 - Step 4: Simplify right side
39,793,122,641.10x = 1,193,230,195,622,838,796,288 - Step 5: Solve for x
x = 1,193,230,195,622,838,796,288/39,793,122,641.10 - Step 6: Final answer
x = 29,985,839,673.47
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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.