Finding the Fourth Proportional to 5,380,565,562.70, 8,070,848,344.05 and 3,911,237,485.90
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Solution
The fourth proportional to 5,380,565,562.70, 8,070,848,344.05 and 3,911,237,485.90 is: 5,866,856,228.85
Step by Step Solution
- Step 1: Write the proportion equation
5,380,565,562.70 : 8,070,848,344.05 = 3,911,237,485.90 : x - Step 2: Convert to fraction form
5,380,565,562.70/8,070,848,344.05 = 3,911,237,485.90/x - Step 3: Cross multiply
5,380,565,562.70x = 8,070,848,344.05 × 3,911,237,485.90 - Step 4: Simplify right side
5,380,565,562.70x = 31,567,004,586,262,302,720 - Step 5: Solve for x
x = 31,567,004,586,262,302,720/5,380,565,562.70 - Step 6: Final answer
x = 5,866,856,228.85
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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.