Finding the Fourth Proportional to 3,774,134,639.47, 5,208,321,533.97 and 2,080,552,078.84
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Solution
The fourth proportional to 3,774,134,639.47, 5,208,321,533.97 and 2,080,552,078.84 is: 2,871,170,541.04
Step by Step Solution
- Step 1: Write the proportion equation
3,774,134,639.47 : 5,208,321,533.97 = 2,080,552,078.84 : x - Step 2: Convert to fraction form
3,774,134,639.47/5,208,321,533.97 = 2,080,552,078.84/x - Step 3: Cross multiply
3,774,134,639.47x = 5,208,321,533.97 × 2,080,552,078.84 - Step 4: Simplify right side
3,774,134,639.47x = 10,836,184,194,758,019,072 - Step 5: Solve for x
x = 10,836,184,194,758,019,072/3,774,134,639.47 - Step 6: Final answer
x = 2,871,170,541.04
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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.