Finding the Fourth Proportional to 20,760,033,349,408, 28,646,212,867,440 and 11,382,363,164,836
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Solution
The fourth proportional to 20,760,033,349,408, 28,646,212,867,440 and 11,382,363,164,836 is: 15,706,217,454,785.46
Step by Step Solution
- Step 1: Write the proportion equation
20,760,033,349,408 : 28,646,212,867,440 = 11,382,363,164,836 : x - Step 2: Convert to fraction form
20,760,033,349,408/28,646,212,867,440 = 11,382,363,164,836/x - Step 3: Cross multiply
20,760,033,349,408x = 28,646,212,867,440 × 11,382,363,164,836 - Step 4: Simplify right side
20,760,033,349,408x = 326,061,598,154,400,113,966,972,928 - Step 5: Solve for x
x = 326,061,598,154,400,113,966,972,928/20,760,033,349,408 - Step 6: Final answer
x = 15,706,217,454,785.46
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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.