Finding the Fourth Proportional to 3,968,998,046.99, 5,954,393,989.71 and 1,313,047,895.65
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Solution
The fourth proportional to 3,968,998,046.99, 5,954,393,989.71 and 1,313,047,895.65 is: 1,969,868,567.70
Step by Step Solution
- Step 1: Write the proportion equation
3,968,998,046.99 : 5,954,393,989.71 = 1,313,047,895.65 : x - Step 2: Convert to fraction form
3,968,998,046.99/5,954,393,989.71 = 1,313,047,895.65/x - Step 3: Cross multiply
3,968,998,046.99x = 5,954,393,989.71 × 1,313,047,895.65 - Step 4: Simplify right side
3,968,998,046.99x = 7,818,404,498,044,837,888 - Step 5: Solve for x
x = 7,818,404,498,044,837,888/3,968,998,046.99 - Step 6: Final answer
x = 1,969,868,567.70
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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.