Finding the Fourth Proportional to 4,781,821,836.88, 6,599,078,226.12 and 2,774,505,394
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Solution
The fourth proportional to 4,781,821,836.88, 6,599,078,226.12 and 2,774,505,394 is: 3,828,912,652.62
Step by Step Solution
- Step 1: Write the proportion equation
4,781,821,836.88 : 6,599,078,226.12 = 2,774,505,394 : x - Step 2: Convert to fraction form
4,781,821,836.88/6,599,078,226.12 = 2,774,505,394/x - Step 3: Cross multiply
4,781,821,836.88x = 6,599,078,226.12 × 2,774,505,394 - Step 4: Simplify right side
4,781,821,836.88x = 18,309,178,133,797,892,096 - Step 5: Solve for x
x = 18,309,178,133,797,892,096/4,781,821,836.88 - Step 6: Final answer
x = 3,828,912,652.62
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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.