Finding the Fourth Proportional to 1,174,700,481.76, 1,760,463,436.92 and 447,292,384.48
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Solution
The fourth proportional to 1,174,700,481.76, 1,760,463,436.92 and 447,292,384.48 is: 670,334,183.66
Step by Step Solution
- Step 1: Write the proportion equation
1,174,700,481.76 : 1,760,463,436.92 = 447,292,384.48 : x - Step 2: Convert to fraction form
1,174,700,481.76/1,760,463,436.92 = 447,292,384.48/x - Step 3: Cross multiply
1,174,700,481.76x = 1,760,463,436.92 × 447,292,384.48 - Step 4: Simplify right side
1,174,700,481.76x = 787,441,888,489,802,880 - Step 5: Solve for x
x = 787,441,888,489,802,880/1,174,700,481.76 - Step 6: Final answer
x = 670,334,183.66
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1.5x scale
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.