Finding the Fourth Proportional to 11,731,151,311.60, 17,617,134,301.80 and 6,221,171,023.60
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Solution
The fourth proportional to 11,731,151,311.60, 17,617,134,301.80 and 6,221,171,023.60 is: 9,342,578,790.95
Step by Step Solution
- Step 1: Write the proportion equation
11,731,151,311.60 : 17,617,134,301.80 = 6,221,171,023.60 : x - Step 2: Convert to fraction form
11,731,151,311.60/17,617,134,301.80 = 6,221,171,023.60/x - Step 3: Cross multiply
11,731,151,311.60x = 17,617,134,301.80 × 6,221,171,023.60 - Step 4: Simplify right side
11,731,151,311.60x = 109,599,205,437,227,778,048 - Step 5: Solve for x
x = 109,599,205,437,227,778,048/11,731,151,311.60 - Step 6: Final answer
x = 9,342,578,790.95
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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.