Finding the Fourth Proportional to 4,484,780,620.20, 6,729,580,246.14 and 1,866,389,913
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Solution
The fourth proportional to 4,484,780,620.20, 6,729,580,246.14 and 1,866,389,913 is: 2,800,587,532.32
Step by Step Solution
- Step 1: Write the proportion equation
4,484,780,620.20 : 6,729,580,246.14 = 1,866,389,913 : x - Step 2: Convert to fraction form
4,484,780,620.20/6,729,580,246.14 = 1,866,389,913/x - Step 3: Cross multiply
4,484,780,620.20x = 6,729,580,246.14 × 1,866,389,913 - Step 4: Simplify right side
4,484,780,620.20x = 12,560,020,690,119,753,728 - Step 5: Solve for x
x = 12,560,020,690,119,753,728/4,484,780,620.20 - Step 6: Final answer
x = 2,800,587,532.32
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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.