Finding the Fourth Proportional to 1,889,571,879.70, 2,834,357,819.55 and 1,699,103,425.30
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Solution
The fourth proportional to 1,889,571,879.70, 2,834,357,819.55 and 1,699,103,425.30 is: 2,548,655,137.95
Step by Step Solution
- Step 1: Write the proportion equation
1,889,571,879.70 : 2,834,357,819.55 = 1,699,103,425.30 : x - Step 2: Convert to fraction form
1,889,571,879.70/2,834,357,819.55 = 1,699,103,425.30/x - Step 3: Cross multiply
1,889,571,879.70x = 2,834,357,819.55 × 1,699,103,425.30 - Step 4: Simplify right side
1,889,571,879.70x = 4,815,867,079,723,244,544 - Step 5: Solve for x
x = 4,815,867,079,723,244,544/1,889,571,879.70 - Step 6: Final answer
x = 2,548,655,137.95
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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.