Finding the Fourth Proportional to 2,761,490,080.15, 3,810,856,164.84 and 1,491,330,941.55
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Solution
The fourth proportional to 2,761,490,080.15, 3,810,856,164.84 and 1,491,330,941.55 is: 2,058,036,620.62
Step by Step Solution
- Step 1: Write the proportion equation
2,761,490,080.15 : 3,810,856,164.84 = 1,491,330,941.55 : x - Step 2: Convert to fraction form
2,761,490,080.15/3,810,856,164.84 = 1,491,330,941.55/x - Step 3: Cross multiply
2,761,490,080.15x = 3,810,856,164.84 × 1,491,330,941.55 - Step 4: Simplify right side
2,761,490,080.15x = 5,683,247,712,422,459,392 - Step 5: Solve for x
x = 5,683,247,712,422,459,392/2,761,490,080.15 - Step 6: Final answer
x = 2,058,036,620.62
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.