Finding the Fourth Proportional to 1,761,151,697.12, 2,641,728,038.16 and 517,582,093.44
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Solution
The fourth proportional to 1,761,151,697.12, 2,641,728,038.16 and 517,582,093.44 is: 776,373,284.89
Step by Step Solution
- Step 1: Write the proportion equation
1,761,151,697.12 : 2,641,728,038.16 = 517,582,093.44 : x - Step 2: Convert to fraction form
1,761,151,697.12/2,641,728,038.16 = 517,582,093.44/x - Step 3: Cross multiply
1,761,151,697.12x = 2,641,728,038.16 × 517,582,093.44 - Step 4: Simplify right side
1,761,151,697.12x = 1,367,311,128,289,996,800 - Step 5: Solve for x
x = 1,367,311,128,289,996,800/1,761,151,697.12 - Step 6: Final answer
x = 776,373,284.89
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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.