Finding the Fourth Proportional to 481,198,070.84, 664,035,556.38 and 261,176,772.92
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Solution
The fourth proportional to 481,198,070.84, 664,035,556.38 and 261,176,772.92 is: 360,414,295.55
Step by Step Solution
- Step 1: Write the proportion equation
481,198,070.84 : 664,035,556.38 = 261,176,772.92 : x - Step 2: Convert to fraction form
481,198,070.84/664,035,556.38 = 261,176,772.92/x - Step 3: Cross multiply
481,198,070.84x = 664,035,556.38 × 261,176,772.92 - Step 4: Simplify right side
481,198,070.84x = 173,430,663,719,465,120 - Step 5: Solve for x
x = 173,430,663,719,465,120/481,198,070.84 - Step 6: Final answer
x = 360,414,295.55
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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.