Finding the Fourth Proportional to 348,957,815.34, 481,560,329.98 and 192,324,548.50
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Solution
The fourth proportional to 348,957,815.34, 481,560,329.98 and 192,324,548.50 is: 265,407,074.92
Step by Step Solution
- Step 1: Write the proportion equation
348,957,815.34 : 481,560,329.98 = 192,324,548.50 : x - Step 2: Convert to fraction form
348,957,815.34/481,560,329.98 = 192,324,548.50/x - Step 3: Cross multiply
348,957,815.34x = 481,560,329.98 × 192,324,548.50 - Step 4: Simplify right side
348,957,815.34x = 92,615,873,038,914,512 - Step 5: Solve for x
x = 92,615,873,038,914,512/348,957,815.34 - Step 6: Final answer
x = 265,407,074.92
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.