Finding the Fourth Proportional to 21,370,406,113,486, 29,489,541,966,934 and 11,993,392,638,014
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Solution
The fourth proportional to 21,370,406,113,486, 29,489,541,966,934 and 11,993,392,638,014 is: 16,549,973,530,986.77
Step by Step Solution
- Step 1: Write the proportion equation
21,370,406,113,486 : 29,489,541,966,934 = 11,993,392,638,014 : x - Step 2: Convert to fraction form
21,370,406,113,486/29,489,541,966,934 = 11,993,392,638,014/x - Step 3: Cross multiply
21,370,406,113,486x = 29,489,541,966,934 × 11,993,392,638,014 - Step 4: Simplify right side
21,370,406,113,486x = 353,679,655,524,631,123,792,494,592 - Step 5: Solve for x
x = 353,679,655,524,631,123,792,494,592/21,370,406,113,486 - Step 6: Final answer
x = 16,549,973,530,986.77
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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.