Finding the Fourth Proportional to 3,632,428,403.99, 5,012,751,005.64 and 1,961,677,384.19
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Solution
The fourth proportional to 3,632,428,403.99, 5,012,751,005.64 and 1,961,677,384.19 is: 2,707,114,686.57
Step by Step Solution
- Step 1: Write the proportion equation
3,632,428,403.99 : 5,012,751,005.64 = 1,961,677,384.19 : x - Step 2: Convert to fraction form
3,632,428,403.99/5,012,751,005.64 = 1,961,677,384.19/x - Step 3: Cross multiply
3,632,428,403.99x = 5,012,751,005.64 × 1,961,677,384.19 - Step 4: Simplify right side
3,632,428,403.99x = 9,833,400,280,339,668,992 - Step 5: Solve for x
x = 9,833,400,280,339,668,992/3,632,428,403.99 - Step 6: Final answer
x = 2,707,114,686.57
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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.