Finding the Fourth Proportional to 21,414,406,639,032, 29,551,981,237,406 and 12,165,898,430,115
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Solution
The fourth proportional to 21,414,406,639,032, 29,551,981,237,406 and 12,165,898,430,115 is: 16,788,996,688,221.91
Step by Step Solution
- Step 1: Write the proportion equation
21,414,406,639,032 : 29,551,981,237,406 = 12,165,898,430,115 : x - Step 2: Convert to fraction form
21,414,406,639,032/29,551,981,237,406 = 12,165,898,430,115/x - Step 3: Cross multiply
21,414,406,639,032x = 29,551,981,237,406 × 12,165,898,430,115 - Step 4: Simplify right side
21,414,406,639,032x = 359,526,402,142,945,612,398,592,000 - Step 5: Solve for x
x = 359,526,402,142,945,612,398,592,000/21,414,406,639,032 - Step 6: Final answer
x = 16,788,996,688,221.91
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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.