Finding the Fourth Proportional to 5,243,183,099.22, 7,235,699,339.52 and 2,864,475,105.06
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Solution
The fourth proportional to 5,243,183,099.22, 7,235,699,339.52 and 2,864,475,105.06 is: 3,953,033,917.29
Step by Step Solution
- Step 1: Write the proportion equation
5,243,183,099.22 : 7,235,699,339.52 = 2,864,475,105.06 : x - Step 2: Convert to fraction form
5,243,183,099.22/7,235,699,339.52 = 2,864,475,105.06/x - Step 3: Cross multiply
5,243,183,099.22x = 7,235,699,339.52 × 2,864,475,105.06 - Step 4: Simplify right side
5,243,183,099.22x = 20,726,480,625,754,124,288 - Step 5: Solve for x
x = 20,726,480,625,754,124,288/5,243,183,099.22 - Step 6: Final answer
x = 3,953,033,917.29
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.