Finding the Fourth Proportional to 11,857,624,277.81, 17,785,781,721.57 and 8,670,159,203.99
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Solution
The fourth proportional to 11,857,624,277.81, 17,785,781,721.57 and 8,670,159,203.99 is: 13,004,760,100.38
Step by Step Solution
- Step 1: Write the proportion equation
11,857,624,277.81 : 17,785,781,721.57 = 8,670,159,203.99 : x - Step 2: Convert to fraction form
11,857,624,277.81/17,785,781,721.57 = 8,670,159,203.99/x - Step 3: Cross multiply
11,857,624,277.81x = 17,785,781,721.57 × 8,670,159,203.99 - Step 4: Simplify right side
11,857,624,277.81x = 154,205,559,093,418,786,816 - Step 5: Solve for x
x = 154,205,559,093,418,786,816/11,857,624,277.81 - Step 6: Final answer
x = 13,004,760,100.38
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.