Finding the Fourth Proportional to 2,842,318,409.25, 3,922,136,174.73 and 1,572,132,059.49
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Solution
The fourth proportional to 2,842,318,409.25, 3,922,136,174.73 and 1,572,132,059.49 is: 2,169,396,645.33
Step by Step Solution
- Step 1: Write the proportion equation
2,842,318,409.25 : 3,922,136,174.73 = 1,572,132,059.49 : x - Step 2: Convert to fraction form
2,842,318,409.25/3,922,136,174.73 = 1,572,132,059.49/x - Step 3: Cross multiply
2,842,318,409.25x = 3,922,136,174.73 × 1,572,132,059.49 - Step 4: Simplify right side
2,842,318,409.25x = 6,166,116,021,978,505,216 - Step 5: Solve for x
x = 6,166,116,021,978,505,216/2,842,318,409.25 - Step 6: Final answer
x = 2,169,396,645.33
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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.