Finding the Fourth Proportional to 2,143,286,402,315.80, 3,215,556,952,812.30 and 691,119,858,028.44
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Solution
The fourth proportional to 2,143,286,402,315.80, 3,215,556,952,812.30 and 691,119,858,028.44 is: 1,036,882,080,859.00
Step by Step Solution
- Step 1: Write the proportion equation
2,143,286,402,315.80 : 3,215,556,952,812.30 = 691,119,858,028.44 : x - Step 2: Convert to fraction form
2,143,286,402,315.80/3,215,556,952,812.30 = 691,119,858,028.44/x - Step 3: Cross multiply
2,143,286,402,315.80x = 3,215,556,952,812.30 × 691,119,858,028.44 - Step 4: Simplify right side
2,143,286,402,315.80x = 2,222,335,264,709,999,545,286,656 - Step 5: Solve for x
x = 2,222,335,264,709,999,545,286,656/2,143,286,402,315.80 - Step 6: Final answer
x = 1,036,882,080,859.00
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.