Finding the Fourth Proportional to 1,255,800,192, 1,732,987,337.58 and 698,883,091.44
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Solution
The fourth proportional to 1,255,800,192, 1,732,987,337.58 and 698,883,091.44 is: 964,449,245.69
Step by Step Solution
- Step 1: Write the proportion equation
1,255,800,192 : 1,732,987,337.58 = 698,883,091.44 : x - Step 2: Convert to fraction form
1,255,800,192/1,732,987,337.58 = 698,883,091.44/x - Step 3: Cross multiply
1,255,800,192x = 1,732,987,337.58 × 698,883,091.44 - Step 4: Simplify right side
1,255,800,192x = 1,211,155,547,914,285,312 - Step 5: Solve for x
x = 1,211,155,547,914,285,312/1,255,800,192 - Step 6: Final answer
x = 964,449,245.69
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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.