Finding the Fourth Proportional to 1,967,874,871.09, 2,715,699,585.80 and 1,174,990,137.07
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Solution
The fourth proportional to 1,967,874,871.09, 2,715,699,585.80 and 1,174,990,137.07 is: 1,621,505,653.35
Step by Step Solution
- Step 1: Write the proportion equation
1,967,874,871.09 : 2,715,699,585.80 = 1,174,990,137.07 : x - Step 2: Convert to fraction form
1,967,874,871.09/2,715,699,585.80 = 1,174,990,137.07/x - Step 3: Cross multiply
1,967,874,871.09x = 2,715,699,585.80 × 1,174,990,137.07 - Step 4: Simplify right side
1,967,874,871.09x = 3,190,920,228,560,084,480 - Step 5: Solve for x
x = 3,190,920,228,560,084,480/1,967,874,871.09 - Step 6: Final answer
x = 1,621,505,653.35
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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.