Finding the Fourth Proportional to 1,150,873,212.94, 1,588,202,046.63 and 642,230,593.07
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Solution
The fourth proportional to 1,150,873,212.94, 1,588,202,046.63 and 642,230,593.07 is: 886,276,551.45
Step by Step Solution
- Step 1: Write the proportion equation
1,150,873,212.94 : 1,588,202,046.63 = 642,230,593.07 : x - Step 2: Convert to fraction form
1,150,873,212.94/1,588,202,046.63 = 642,230,593.07/x - Step 3: Cross multiply
1,150,873,212.94x = 1,588,202,046.63 × 642,230,593.07 - Step 4: Simplify right side
1,150,873,212.94x = 1,019,991,942,314,231,808 - Step 5: Solve for x
x = 1,019,991,942,314,231,808/1,150,873,212.94 - Step 6: Final answer
x = 886,276,551.45
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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.