Finding the Fourth Proportional to 3,247,894,966.51, 4,481,326,851.42 and 1,838,198,928.93
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Solution
The fourth proportional to 3,247,894,966.51, 4,481,326,851.42 and 1,838,198,928.93 is: 2,536,279,745.31
Step by Step Solution
- Step 1: Write the proportion equation
3,247,894,966.51 : 4,481,326,851.42 = 1,838,198,928.93 : x - Step 2: Convert to fraction form
3,247,894,966.51/4,481,326,851.42 = 1,838,198,928.93/x - Step 3: Cross multiply
3,247,894,966.51x = 4,481,326,851.42 × 1,838,198,928.93 - Step 4: Simplify right side
3,247,894,966.51x = 8,237,570,218,465,494,016 - Step 5: Solve for x
x = 8,237,570,218,465,494,016/3,247,894,966.51 - Step 6: Final answer
x = 2,536,279,745.31
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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.