Finding the Fourth Proportional to 2,445,408,846.30, 3,668,113,269.45 and 809,633,448.30
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Solution
The fourth proportional to 2,445,408,846.30, 3,668,113,269.45 and 809,633,448.30 is: 1,214,450,172.45
Step by Step Solution
- Step 1: Write the proportion equation
2,445,408,846.30 : 3,668,113,269.45 = 809,633,448.30 : x - Step 2: Convert to fraction form
2,445,408,846.30/3,668,113,269.45 = 809,633,448.30/x - Step 3: Cross multiply
2,445,408,846.30x = 3,668,113,269.45 × 809,633,448.30 - Step 4: Simplify right side
2,445,408,846.30x = 2,969,827,195,099,790,336 - Step 5: Solve for x
x = 2,969,827,195,099,790,336/2,445,408,846.30 - Step 6: Final answer
x = 1,214,450,172.45
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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.