Finding the Fourth Proportional to 5,390,080,706.10, 8,085,121,059.15 and 2,628,288,117.30
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Solution
The fourth proportional to 5,390,080,706.10, 8,085,121,059.15 and 2,628,288,117.30 is: 3,942,432,175.95
Step by Step Solution
- Step 1: Write the proportion equation
5,390,080,706.10 : 8,085,121,059.15 = 2,628,288,117.30 : x - Step 2: Convert to fraction form
5,390,080,706.10/8,085,121,059.15 = 2,628,288,117.30/x - Step 3: Cross multiply
5,390,080,706.10x = 8,085,121,059.15 × 2,628,288,117.30 - Step 4: Simplify right side
5,390,080,706.10x = 21,250,027,606,695,936,000 - Step 5: Solve for x
x = 21,250,027,606,695,936,000/5,390,080,706.10 - Step 6: Final answer
x = 3,942,432,175.95
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Double scale
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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.