Finding the Fourth Proportional to 1,367,391,197.76, 2,051,089,363.20 and 332,252,954.88
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Solution
The fourth proportional to 1,367,391,197.76, 2,051,089,363.20 and 332,252,954.88 is: 498,380,055.95
Step by Step Solution
- Step 1: Write the proportion equation
1,367,391,197.76 : 2,051,089,363.20 = 332,252,954.88 : x - Step 2: Convert to fraction form
1,367,391,197.76/2,051,089,363.20 = 332,252,954.88/x - Step 3: Cross multiply
1,367,391,197.76x = 2,051,089,363.20 × 332,252,954.88 - Step 4: Simplify right side
1,367,391,197.76x = 681,480,501,646,137,600 - Step 5: Solve for x
x = 681,480,501,646,137,600/1,367,391,197.76 - Step 6: Final answer
x = 498,380,055.95
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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.