Finding the Fourth Proportional to 682,749,029.49, 942,196,629.56 and 369,483,270.99
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Solution
The fourth proportional to 682,749,029.49, 942,196,629.56 and 369,483,270.99 is: 509,888,520.62
Step by Step Solution
- Step 1: Write the proportion equation
682,749,029.49 : 942,196,629.56 = 369,483,270.99 : x - Step 2: Convert to fraction form
682,749,029.49/942,196,629.56 = 369,483,270.99/x - Step 3: Cross multiply
682,749,029.49x = 942,196,629.56 × 369,483,270.99 - Step 4: Simplify right side
682,749,029.49x = 348,125,892,603,734,720 - Step 5: Solve for x
x = 348,125,892,603,734,720/682,749,029.49 - Step 6: Final answer
x = 509,888,520.62
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1.5x scale
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.