Finding the Fourth Proportional to 19,417,638,523.84, 26,601,722,394.01 and 18,691,644,205.62
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Solution
The fourth proportional to 19,417,638,523.84, 26,601,722,394.01 and 18,691,644,205.62 is: 25,607,126,718.07
Step by Step Solution
- Step 1: Write the proportion equation
19,417,638,523.84 : 26,601,722,394.01 = 18,691,644,205.62 : x - Step 2: Convert to fraction form
19,417,638,523.84/26,601,722,394.01 = 18,691,644,205.62/x - Step 3: Cross multiply
19,417,638,523.84x = 26,601,722,394.01 × 18,691,644,205.62 - Step 4: Simplify right side
19,417,638,523.84x = 497,229,930,245,588,582,400 - Step 5: Solve for x
x = 497,229,930,245,588,582,400/19,417,638,523.84 - Step 6: Final answer
x = 25,607,126,718.07
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.