Finding the Fourth Proportional to 12,752,414,604,080, 19,128,621,906,120 and 12,752,414,604,080
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Solution
The fourth proportional to 12,752,414,604,080, 19,128,621,906,120 and 12,752,414,604,080 is: 19,128,621,906,120
Step by Step Solution
- Step 1: Write the proportion equation
12,752,414,604,080 : 19,128,621,906,120 = 12,752,414,604,080 : x - Step 2: Convert to fraction form
12,752,414,604,080/19,128,621,906,120 = 12,752,414,604,080/x - Step 3: Cross multiply
12,752,414,604,080x = 19,128,621,906,120 × 12,752,414,604,080 - Step 4: Simplify right side
12,752,414,604,080x = 243,936,117,351,529,289,340,682,240 - Step 5: Solve for x
x = 243,936,117,351,529,289,340,682,240/12,752,414,604,080 - Step 6: Final answer
x = 19,128,621,906,120
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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.