Finding the Fourth Proportional to 1,467,918,391.60, 2,201,877,587.40 and 814,883,690.80
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Solution
The fourth proportional to 1,467,918,391.60, 2,201,877,587.40 and 814,883,690.80 is: 1,222,325,536.20
Step by Step Solution
- Step 1: Write the proportion equation
1,467,918,391.60 : 2,201,877,587.40 = 814,883,690.80 : x - Step 2: Convert to fraction form
1,467,918,391.60/2,201,877,587.40 = 814,883,690.80/x - Step 3: Cross multiply
1,467,918,391.60x = 2,201,877,587.40 × 814,883,690.80 - Step 4: Simplify right side
1,467,918,391.60x = 1,794,274,135,110,311,424 - Step 5: Solve for x
x = 1,794,274,135,110,311,424/1,467,918,391.60 - Step 6: Final answer
x = 1,222,325,536.20
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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.