Finding the Fourth Proportional to 5,214,091,237.18, 7,195,483,338.91 and 2,835,212,128.09
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Solution
The fourth proportional to 5,214,091,237.18, 7,195,483,338.91 and 2,835,212,128.09 is: 3,912,613,090.55
Step by Step Solution
- Step 1: Write the proportion equation
5,214,091,237.18 : 7,195,483,338.91 = 2,835,212,128.09 : x - Step 2: Convert to fraction form
5,214,091,237.18/7,195,483,338.91 = 2,835,212,128.09/x - Step 3: Cross multiply
5,214,091,237.18x = 7,195,483,338.91 × 2,835,212,128.09 - Step 4: Simplify right side
5,214,091,237.18x = 20,400,721,629,922,082,816 - Step 5: Solve for x
x = 20,400,721,629,922,082,816/5,214,091,237.18 - Step 6: Final answer
x = 3,912,613,090.55
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1.5x scale
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.