Finding the Fourth Proportional to 413,861,783.87, 619,784,224.70 and 273,716,861.65
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Solution
The fourth proportional to 413,861,783.87, 619,784,224.70 and 273,716,861.65 is: 409,908,330.49
Step by Step Solution
- Step 1: Write the proportion equation
413,861,783.87 : 619,784,224.70 = 273,716,861.65 : x - Step 2: Convert to fraction form
413,861,783.87/619,784,224.70 = 273,716,861.65/x - Step 3: Cross multiply
413,861,783.87x = 619,784,224.70 × 273,716,861.65 - Step 4: Simplify right side
413,861,783.87x = 169,645,392,882,144,384 - Step 5: Solve for x
x = 169,645,392,882,144,384/413,861,783.87 - Step 6: Final answer
x = 409,908,330.49
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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.