Finding the Fourth Proportional to 742,469,391.09, 1,113,531,310.80 and 276,350,334.44
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Solution
The fourth proportional to 742,469,391.09, 1,113,531,310.80 and 276,350,334.44 is: 414,461,193.74
Step by Step Solution
- Step 1: Write the proportion equation
742,469,391.09 : 1,113,531,310.80 = 276,350,334.44 : x - Step 2: Convert to fraction form
742,469,391.09/1,113,531,310.80 = 276,350,334.44/x - Step 3: Cross multiply
742,469,391.09x = 1,113,531,310.80 × 276,350,334.44 - Step 4: Simplify right side
742,469,391.09x = 307,724,750,143,423,936 - Step 5: Solve for x
x = 307,724,750,143,423,936/742,469,391.09 - Step 6: Final answer
x = 414,461,193.74
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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.