Finding the Fourth Proportional to 21,665,497,564,916, 29,897,484,276,790 and 11,788,779,840,621
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Solution
The fourth proportional to 21,665,497,564,916, 29,897,484,276,790 and 11,788,779,840,621 is: 16,268,025,180,194.92
Step by Step Solution
- Step 1: Write the proportion equation
21,665,497,564,916 : 29,897,484,276,790 = 11,788,779,840,621 : x - Step 2: Convert to fraction form
21,665,497,564,916/29,897,484,276,790 = 11,788,779,840,621/x - Step 3: Cross multiply
21,665,497,564,916x = 29,897,484,276,790 × 11,788,779,840,621 - Step 4: Simplify right side
21,665,497,564,916x = 352,454,859,927,505,296,341,073,920 - Step 5: Solve for x
x = 352,454,859,927,505,296,341,073,920/21,665,497,564,916 - Step 6: Final answer
x = 16,268,025,180,194.92
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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.