Finding the Fourth Proportional to 7,277,775,708.54, 10,887,940,332.81 and 5,512,232,391.06
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Solution
The fourth proportional to 7,277,775,708.54, 10,887,940,332.81 and 5,512,232,391.06 is: 8,246,593,434.31
Step by Step Solution
- Step 1: Write the proportion equation
7,277,775,708.54 : 10,887,940,332.81 = 5,512,232,391.06 : x - Step 2: Convert to fraction form
7,277,775,708.54/10,887,940,332.81 = 5,512,232,391.06/x - Step 3: Cross multiply
7,277,775,708.54x = 10,887,940,332.81 × 5,512,232,391.06 - Step 4: Simplify right side
7,277,775,708.54x = 60,016,857,374,443,880,448 - Step 5: Solve for x
x = 60,016,857,374,443,880,448/7,277,775,708.54 - Step 6: Final answer
x = 8,246,593,434.31
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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.