Finding the Fourth Proportional to 20,126,002,200.19, 27,775,125,671.54 and 11,093,739,964.95
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Solution
The fourth proportional to 20,126,002,200.19, 27,775,125,671.54 and 11,093,739,964.95 is: 15,310,046,109.95
Step by Step Solution
- Step 1: Write the proportion equation
20,126,002,200.19 : 27,775,125,671.54 = 11,093,739,964.95 : x - Step 2: Convert to fraction form
20,126,002,200.19/27,775,125,671.54 = 11,093,739,964.95/x - Step 3: Cross multiply
20,126,002,200.19x = 27,775,125,671.54 × 11,093,739,964.95 - Step 4: Simplify right side
20,126,002,200.19x = 308,130,021,693,872,013,312 - Step 5: Solve for x
x = 308,130,021,693,872,013,312/20,126,002,200.19 - Step 6: Final answer
x = 15,310,046,109.95
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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.