Finding the Fourth Proportional to 3,567,609,885.80, 5,351,414,828.70 and 982,680,861.80
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Solution
The fourth proportional to 3,567,609,885.80, 5,351,414,828.70 and 982,680,861.80 is: 1,474,021,292.70
Step by Step Solution
- Step 1: Write the proportion equation
3,567,609,885.80 : 5,351,414,828.70 = 982,680,861.80 : x - Step 2: Convert to fraction form
3,567,609,885.80/5,351,414,828.70 = 982,680,861.80/x - Step 3: Cross multiply
3,567,609,885.80x = 5,351,414,828.70 × 982,680,861.80 - Step 4: Simplify right side
3,567,609,885.80x = 5,258,732,935,716,214,784 - Step 5: Solve for x
x = 5,258,732,935,716,214,784/3,567,609,885.80 - Step 6: Final answer
x = 1,474,021,292.70
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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.