Finding the Fourth Proportional to 6,187,709,563.62, 8,539,040,118.96 and 3,368,338,892.70
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Solution
The fourth proportional to 6,187,709,563.62, 8,539,040,118.96 and 3,368,338,892.70 is: 4,648,308,173.37
Step by Step Solution
- Step 1: Write the proportion equation
6,187,709,563.62 : 8,539,040,118.96 = 3,368,338,892.70 : x - Step 2: Convert to fraction form
6,187,709,563.62/8,539,040,118.96 = 3,368,338,892.70/x - Step 3: Cross multiply
6,187,709,563.62x = 8,539,040,118.96 × 3,368,338,892.70 - Step 4: Simplify right side
6,187,709,563.62x = 28,762,380,939,018,600,448 - Step 5: Solve for x
x = 28,762,380,939,018,600,448/6,187,709,563.62 - Step 6: Final answer
x = 4,648,308,173.37
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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.