Finding the Fourth Proportional to 11,196,023,287.05, 15,450,420,315.87 and 6,115,390,461.66
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Solution
The fourth proportional to 11,196,023,287.05, 15,450,420,315.87 and 6,115,390,461.66 is: 8,439,188,683.86
Step by Step Solution
- Step 1: Write the proportion equation
11,196,023,287.05 : 15,450,420,315.87 = 6,115,390,461.66 : x - Step 2: Convert to fraction form
11,196,023,287.05/15,450,420,315.87 = 6,115,390,461.66/x - Step 3: Cross multiply
11,196,023,287.05x = 15,450,420,315.87 × 6,115,390,461.66 - Step 4: Simplify right side
11,196,023,287.05x = 94,485,353,028,309,286,912 - Step 5: Solve for x
x = 94,485,353,028,309,286,912/11,196,023,287.05 - Step 6: Final answer
x = 8,439,188,683.86
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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.