Finding the Fourth Proportional to 1,072,605,132.80, 1,608,907,699.20 and 582,829,107.20
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Solution
The fourth proportional to 1,072,605,132.80, 1,608,907,699.20 and 582,829,107.20 is: 874,243,660.80
Step by Step Solution
- Step 1: Write the proportion equation
1,072,605,132.80 : 1,608,907,699.20 = 582,829,107.20 : x - Step 2: Convert to fraction form
1,072,605,132.80/1,608,907,699.20 = 582,829,107.20/x - Step 3: Cross multiply
1,072,605,132.80x = 1,608,907,699.20 × 582,829,107.20 - Step 4: Simplify right side
1,072,605,132.80x = 937,718,237,891,942,272 - Step 5: Solve for x
x = 937,718,237,891,942,272/1,072,605,132.80 - Step 6: Final answer
x = 874,243,660.80
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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.