Finding the Fourth Proportional to 6,389,040,762.44, 9,583,756,382.49 and 2,191,934,703.56
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Solution
The fourth proportional to 6,389,040,762.44, 9,583,756,382.49 and 2,191,934,703.56 is: 3,287,969,037.35
Step by Step Solution
- Step 1: Write the proportion equation
6,389,040,762.44 : 9,583,756,382.49 = 2,191,934,703.56 : x - Step 2: Convert to fraction form
6,389,040,762.44/9,583,756,382.49 = 2,191,934,703.56/x - Step 3: Cross multiply
6,389,040,762.44x = 9,583,756,382.49 × 2,191,934,703.56 - Step 4: Simplify right side
6,389,040,762.44x = 21,006,968,205,244,473,344 - Step 5: Solve for x
x = 21,006,968,205,244,473,344/6,389,040,762.44 - Step 6: Final answer
x = 3,287,969,037.35
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.