Finding the Fourth Proportional to 2,968,330,938.64, 4,452,493,849.68 and 757,540,474.32
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Solution
The fourth proportional to 2,968,330,938.64, 4,452,493,849.68 and 757,540,474.32 is: 1,136,310,058.59
Step by Step Solution
- Step 1: Write the proportion equation
2,968,330,938.64 : 4,452,493,849.68 = 757,540,474.32 : x - Step 2: Convert to fraction form
2,968,330,938.64/4,452,493,849.68 = 757,540,474.32/x - Step 3: Cross multiply
2,968,330,938.64x = 4,452,493,849.68 × 757,540,474.32 - Step 4: Simplify right side
2,968,330,938.64x = 3,372,944,302,793,470,464 - Step 5: Solve for x
x = 3,372,944,302,793,470,464/2,968,330,938.64 - Step 6: Final answer
x = 1,136,310,058.59
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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.