Finding the Fourth Proportional to 1,967,874,869.84, 2,715,699,584.07 and 1,174,990,135.82
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Solution
The fourth proportional to 1,967,874,869.84, 2,715,699,584.07 and 1,174,990,135.82 is: 1,621,505,651.62
Step by Step Solution
- Step 1: Write the proportion equation
1,967,874,869.84 : 2,715,699,584.07 = 1,174,990,135.82 : x - Step 2: Convert to fraction form
1,967,874,869.84/2,715,699,584.07 = 1,174,990,135.82/x - Step 3: Cross multiply
1,967,874,869.84x = 2,715,699,584.07 × 1,174,990,135.82 - Step 4: Simplify right side
1,967,874,869.84x = 3,190,920,223,132,726,784 - Step 5: Solve for x
x = 3,190,920,223,132,726,784/1,967,874,869.84 - Step 6: Final answer
x = 1,621,505,651.62
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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.