Finding the Fourth Proportional to 2,847,474,246.70, 4,271,211,370.05 and 1,211,486,272.30
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Solution
The fourth proportional to 2,847,474,246.70, 4,271,211,370.05 and 1,211,486,272.30 is: 1,817,229,408.45
Step by Step Solution
- Step 1: Write the proportion equation
2,847,474,246.70 : 4,271,211,370.05 = 1,211,486,272.30 : x - Step 2: Convert to fraction form
2,847,474,246.70/4,271,211,370.05 = 1,211,486,272.30/x - Step 3: Cross multiply
2,847,474,246.70x = 4,271,211,370.05 × 1,211,486,272.30 - Step 4: Simplify right side
2,847,474,246.70x = 5,174,513,940,907,250,688 - Step 5: Solve for x
x = 5,174,513,940,907,250,688/2,847,474,246.70 - Step 6: Final answer
x = 1,817,229,408.45
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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.