Finding the Fourth Proportional to 1,259,345,792.20, 1,889,814,950.70 and 741,775,232.20
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Solution
The fourth proportional to 1,259,345,792.20, 1,889,814,950.70 and 741,775,232.20 is: 1,113,131,859.85
Step by Step Solution
- Step 1: Write the proportion equation
1,259,345,792.20 : 1,889,814,950.70 = 741,775,232.20 : x - Step 2: Convert to fraction form
1,259,345,792.20/1,889,814,950.70 = 741,775,232.20/x - Step 3: Cross multiply
1,259,345,792.20x = 1,889,814,950.70 × 741,775,232.20 - Step 4: Simplify right side
1,259,345,792.20x = 1,401,817,923,870,524,160 - Step 5: Solve for x
x = 1,401,817,923,870,524,160/1,259,345,792.20 - Step 6: Final answer
x = 1,113,131,859.85
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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.