Finding the Fourth Proportional to 19,797,673,816.70, 27,321,307,664.96 and 10,765,960,152.68
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Solution
The fourth proportional to 19,797,673,816.70, 27,321,307,664.96 and 10,765,960,152.68 is: 14,857,306,588.82
Step by Step Solution
- Step 1: Write the proportion equation
19,797,673,816.70 : 27,321,307,664.96 = 10,765,960,152.68 : x - Step 2: Convert to fraction form
19,797,673,816.70/27,321,307,664.96 = 10,765,960,152.68/x - Step 3: Cross multiply
19,797,673,816.70x = 27,321,307,664.96 × 10,765,960,152.68 - Step 4: Simplify right side
19,797,673,816.70x = 294,140,109,640,070,004,736 - Step 5: Solve for x
x = 294,140,109,640,070,004,736/19,797,673,816.70 - Step 6: Final answer
x = 14,857,306,588.82
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1.5x scale
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.