Finding the Fourth Proportional to 6,187,709,610.56, 8,539,040,183.76 and 3,368,338,939.76
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Solution
The fourth proportional to 6,187,709,610.56, 8,539,040,183.76 and 3,368,338,939.76 is: 4,648,308,238.33
Step by Step Solution
- Step 1: Write the proportion equation
6,187,709,610.56 : 8,539,040,183.76 = 3,368,338,939.76 : x - Step 2: Convert to fraction form
6,187,709,610.56/8,539,040,183.76 = 3,368,338,939.76/x - Step 3: Cross multiply
6,187,709,610.56x = 8,539,040,183.76 × 3,368,338,939.76 - Step 4: Simplify right side
6,187,709,610.56x = 28,762,381,559,134,195,712 - Step 5: Solve for x
x = 28,762,381,559,134,195,712/6,187,709,610.56 - Step 6: Final answer
x = 4,648,308,238.33
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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.