Finding the Fourth Proportional to 1,542,380,013.98, 2,313,564,974.68 and 559,805,243.66
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Solution
The fourth proportional to 1,542,380,013.98, 2,313,564,974.68 and 559,805,243.66 is: 839,706,033.94
Step by Step Solution
- Step 1: Write the proportion equation
1,542,380,013.98 : 2,313,564,974.68 = 559,805,243.66 : x - Step 2: Convert to fraction form
1,542,380,013.98/2,313,564,974.68 = 559,805,243.66/x - Step 3: Cross multiply
1,542,380,013.98x = 2,313,564,974.68 × 559,805,243.66 - Step 4: Simplify right side
1,542,380,013.98x = 1,295,145,804,373,978,880 - Step 5: Solve for x
x = 1,295,145,804,373,978,880/1,542,380,013.98 - Step 6: Final answer
x = 839,706,033.94
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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.