Finding the Fourth Proportional to 20,090,784,466.99, 27,725,062,544.81 and 11,058,349,458.07
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Solution
The fourth proportional to 20,090,784,466.99, 27,725,062,544.81 and 11,058,349,458.07 is: 15,260,401,149.15
Step by Step Solution
- Step 1: Write the proportion equation
20,090,784,466.99 : 27,725,062,544.81 = 11,058,349,458.07 : x - Step 2: Convert to fraction form
20,090,784,466.99/27,725,062,544.81 = 11,058,349,458.07/x - Step 3: Cross multiply
20,090,784,466.99x = 27,725,062,544.81 × 11,058,349,458.07 - Step 4: Simplify right side
20,090,784,466.99x = 306,593,430,367,273,353,216 - Step 5: Solve for x
x = 306,593,430,367,273,353,216/20,090,784,466.99 - Step 6: Final answer
x = 15,260,401,149.15
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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.