Finding the Fourth Proportional to 7,173,728,926.11, 9,901,714,964.22 and 4,163,951,283.84
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Solution
The fourth proportional to 7,173,728,926.11, 9,901,714,964.22 and 4,163,951,283.84 is: 5,747,395,693.67
Step by Step Solution
- Step 1: Write the proportion equation
7,173,728,926.11 : 9,901,714,964.22 = 4,163,951,283.84 : x - Step 2: Convert to fraction form
7,173,728,926.11/9,901,714,964.22 = 4,163,951,283.84/x - Step 3: Cross multiply
7,173,728,926.11x = 9,901,714,964.22 × 4,163,951,283.84 - Step 4: Simplify right side
7,173,728,926.11x = 41,230,258,737,481,605,120 - Step 5: Solve for x
x = 41,230,258,737,481,605,120/7,173,728,926.11 - Step 6: Final answer
x = 5,747,395,693.67
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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.