Finding the Fourth Proportional to 2,560,256,467.60, 3,840,384,701.40 and 2,459,927,405.20
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Solution
The fourth proportional to 2,560,256,467.60, 3,840,384,701.40 and 2,459,927,405.20 is: 3,689,891,107.80
Step by Step Solution
- Step 1: Write the proportion equation
2,560,256,467.60 : 3,840,384,701.40 = 2,459,927,405.20 : x - Step 2: Convert to fraction form
2,560,256,467.60/3,840,384,701.40 = 2,459,927,405.20/x - Step 3: Cross multiply
2,560,256,467.60x = 3,840,384,701.40 × 2,459,927,405.20 - Step 4: Simplify right side
2,560,256,467.60x = 9,447,067,573,484,679,168 - Step 5: Solve for x
x = 9,447,067,573,484,679,168/2,560,256,467.60 - Step 6: Final answer
x = 3,689,891,107.80
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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.