Finding the Fourth Proportional to 702,913,142.07, 1,053,626,328.09 and 259,971,163.79
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Solution
The fourth proportional to 702,913,142.07, 1,053,626,328.09 and 259,971,163.79 is: 389,681,806.06
Step by Step Solution
- Step 1: Write the proportion equation
702,913,142.07 : 1,053,626,328.09 = 259,971,163.79 : x - Step 2: Convert to fraction form
702,913,142.07/1,053,626,328.09 = 259,971,163.79/x - Step 3: Cross multiply
702,913,142.07x = 1,053,626,328.09 × 259,971,163.79 - Step 4: Simplify right side
702,913,142.07x = 273,912,462,708,073,536 - Step 5: Solve for x
x = 273,912,462,708,073,536/702,913,142.07 - Step 6: Final answer
x = 389,681,806.06
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.