Finding the Fourth Proportional to 9,212,190,387,082.40, 12,713,222,352,355 and 5,101,516,742,831
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Solution
The fourth proportional to 9,212,190,387,082.40, 12,713,222,352,355 and 5,101,516,742,831 is: 7,040,314,405,227.26
Step by Step Solution
- Step 1: Write the proportion equation
9,212,190,387,082.40 : 12,713,222,352,355 = 5,101,516,742,831 : x - Step 2: Convert to fraction form
9,212,190,387,082.40/12,713,222,352,355 = 5,101,516,742,831/x - Step 3: Cross multiply
9,212,190,387,082.40x = 12,713,222,352,355 × 5,101,516,742,831 - Step 4: Simplify right side
9,212,190,387,082.40x = 64,856,716,685,872,343,394,811,904 - Step 5: Solve for x
x = 64,856,716,685,872,343,394,811,904/9,212,190,387,082.40 - Step 6: Final answer
x = 7,040,314,405,227.26
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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.