Finding the Fourth Proportional to 3,143,717,126.91, 4,338,343,122.66 and 1,714,819,372.65
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Solution
The fourth proportional to 3,143,717,126.91, 4,338,343,122.66 and 1,714,819,372.65 is: 2,366,458,091.37
Step by Step Solution
- Step 1: Write the proportion equation
3,143,717,126.91 : 4,338,343,122.66 = 1,714,819,372.65 : x - Step 2: Convert to fraction form
3,143,717,126.91/4,338,343,122.66 = 1,714,819,372.65/x - Step 3: Cross multiply
3,143,717,126.91x = 4,338,343,122.66 × 1,714,819,372.65 - Step 4: Simplify right side
3,143,717,126.91x = 7,439,474,831,940,262,912 - Step 5: Solve for x
x = 7,439,474,831,940,262,912/3,143,717,126.91 - Step 6: Final answer
x = 2,366,458,091.37
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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.