Finding the Fourth Proportional to 759,330,425.35, 1,138,382,694.08 and 698,039,297.97
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Solution
The fourth proportional to 759,330,425.35, 1,138,382,694.08 and 698,039,297.97 is: 1,046,495,478.21
Step by Step Solution
- Step 1: Write the proportion equation
759,330,425.35 : 1,138,382,694.08 = 698,039,297.97 : x - Step 2: Convert to fraction form
759,330,425.35/1,138,382,694.08 = 698,039,297.97/x - Step 3: Cross multiply
759,330,425.35x = 1,138,382,694.08 × 698,039,297.97 - Step 4: Simplify right side
759,330,425.35x = 794,635,856,596,800,512 - Step 5: Solve for x
x = 794,635,856,596,800,512/759,330,425.35 - Step 6: Final answer
x = 1,046,495,478.21
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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.