Finding the Fourth Proportional to 831,108,571,516.80, 1,246,850,839,166.90 and 448,644,437,622.90
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Solution
The fourth proportional to 831,108,571,516.80, 1,246,850,839,166.90 and 448,644,437,622.90 is: 673,068,131,780.62
Step by Step Solution
- Step 1: Write the proportion equation
831,108,571,516.80 : 1,246,850,839,166.90 = 448,644,437,622.90 : x - Step 2: Convert to fraction form
831,108,571,516.80/1,246,850,839,166.90 = 448,644,437,622.90/x - Step 3: Cross multiply
831,108,571,516.80x = 1,246,850,839,166.90 × 448,644,437,622.90 - Step 4: Simplify right side
831,108,571,516.80x = 559,392,693,537,674,778,116,096 - Step 5: Solve for x
x = 559,392,693,537,674,778,116,096/831,108,571,516.80 - Step 6: Final answer
x = 673,068,131,780.62
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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.