Finding the Fourth Proportional to 1,937,384,394.26, 2,674,416,891.69 and 1,302,672,782.57
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Solution
The fourth proportional to 1,937,384,394.26, 2,674,416,891.69 and 1,302,672,782.57 is: 1,798,244,119.43
Step by Step Solution
- Step 1: Write the proportion equation
1,937,384,394.26 : 2,674,416,891.69 = 1,302,672,782.57 : x - Step 2: Convert to fraction form
1,937,384,394.26/2,674,416,891.69 = 1,302,672,782.57/x - Step 3: Cross multiply
1,937,384,394.26x = 2,674,416,891.69 × 1,302,672,782.57 - Step 4: Simplify right side
1,937,384,394.26x = 3,483,890,094,036,651,008 - Step 5: Solve for x
x = 3,483,890,094,036,651,008/1,937,384,394.26 - Step 6: Final answer
x = 1,798,244,119.43
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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.