Finding the Fourth Proportional to 1,762,487,442.12, 2,643,170,273.21 and 581,848,093.97
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Solution
The fourth proportional to 1,762,487,442.12, 2,643,170,273.21 and 581,848,093.97 is: 872,586,974.94
Step by Step Solution
- Step 1: Write the proportion equation
1,762,487,442.12 : 2,643,170,273.21 = 581,848,093.97 : x - Step 2: Convert to fraction form
1,762,487,442.12/2,643,170,273.21 = 581,848,093.97/x - Step 3: Cross multiply
1,762,487,442.12x = 2,643,170,273.21 × 581,848,093.97 - Step 4: Simplify right side
1,762,487,442.12x = 1,537,923,585,493,641,472 - Step 5: Solve for x
x = 1,537,923,585,493,641,472/1,762,487,442.12 - Step 6: Final answer
x = 872,586,974.94
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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.