Finding the Fourth Proportional to 18,071,291,800, 24,938,988,296.50 and 10,042,970,716.70
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Solution
The fourth proportional to 18,071,291,800, 24,938,988,296.50 and 10,042,970,716.70 is: 13,859,636,153.17
Step by Step Solution
- Step 1: Write the proportion equation
18,071,291,800 : 24,938,988,296.50 = 10,042,970,716.70 : x - Step 2: Convert to fraction form
18,071,291,800/24,938,988,296.50 = 10,042,970,716.70/x - Step 3: Cross multiply
18,071,291,800x = 24,938,988,296.50 × 10,042,970,716.70 - Step 4: Simplify right side
18,071,291,800x = 250,461,529,165,848,576,000 - Step 5: Solve for x
x = 250,461,529,165,848,576,000/18,071,291,800 - Step 6: Final answer
x = 13,859,636,153.17
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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.