Finding the Fourth Proportional to 19,814,831,964,638, 27,345,315,620,382 and 11,035,491,435,785
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Solution
The fourth proportional to 19,814,831,964,638, 27,345,315,620,382 and 11,035,491,435,785 is: 15,229,450,185,401.88
Step by Step Solution
- Step 1: Write the proportion equation
19,814,831,964,638 : 27,345,315,620,382 = 11,035,491,435,785 : x - Step 2: Convert to fraction form
19,814,831,964,638/27,345,315,620,382 = 11,035,491,435,785/x - Step 3: Cross multiply
19,814,831,964,638x = 27,345,315,620,382 × 11,035,491,435,785 - Step 4: Simplify right side
19,814,831,964,638x = 301,768,996,337,563,360,804,470,784 - Step 5: Solve for x
x = 301,768,996,337,563,360,804,470,784/19,814,831,964,638 - Step 6: Final answer
x = 15,229,450,185,401.88
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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.