Finding the Fourth Proportional to 21,639,366,698,472, 29,862,345,286,245 and 11,762,610,187,291
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Solution
The fourth proportional to 21,639,366,698,472, 29,862,345,286,245 and 11,762,610,187,291 is: 16,232,412,518,116.34
Step by Step Solution
- Step 1: Write the proportion equation
21,639,366,698,472 : 29,862,345,286,245 = 11,762,610,187,291 : x - Step 2: Convert to fraction form
21,639,366,698,472/29,862,345,286,245 = 11,762,610,187,291/x - Step 3: Cross multiply
21,639,366,698,472x = 29,862,345,286,245 × 11,762,610,187,291 - Step 4: Simplify right side
21,639,366,698,472x = 351,259,126,880,386,809,981,829,120 - Step 5: Solve for x
x = 351,259,126,880,386,809,981,829,120/21,639,366,698,472 - Step 6: Final answer
x = 16,232,412,518,116.34
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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.