Finding the Fourth Proportional to 19,958,079,747,890, 29,885,561,062,474 and 13,774,378,752,383
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Solution
The fourth proportional to 19,958,079,747,890, 29,885,561,062,474 and 13,774,378,752,383 is: 20,625,984,187,958.13
Step by Step Solution
- Step 1: Write the proportion equation
19,958,079,747,890 : 29,885,561,062,474 = 13,774,378,752,383 : x - Step 2: Convert to fraction form
19,958,079,747,890/29,885,561,062,474 = 13,774,378,752,383/x - Step 3: Cross multiply
19,958,079,747,890x = 29,885,561,062,474 × 13,774,378,752,383 - Step 4: Simplify right side
19,958,079,747,890x = 411,655,037,301,986,583,965,073,408 - Step 5: Solve for x
x = 411,655,037,301,986,583,965,073,408/19,958,079,747,890 - Step 6: Final answer
x = 20,625,984,187,958.13
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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.