Finding the Fourth Proportional to 351,439,895.26, 484,976,555.20 and 192,664,589.20
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Solution
The fourth proportional to 351,439,895.26, 484,976,555.20 and 192,664,589.20 is: 265,871,376.70
Step by Step Solution
- Step 1: Write the proportion equation
351,439,895.26 : 484,976,555.20 = 192,664,589.20 : x - Step 2: Convert to fraction form
351,439,895.26/484,976,555.20 = 192,664,589.20/x - Step 3: Cross multiply
351,439,895.26x = 484,976,555.20 × 192,664,589.20 - Step 4: Simplify right side
351,439,895.26x = 93,437,808,779,239,120 - Step 5: Solve for x
x = 93,437,808,779,239,120/351,439,895.26 - Step 6: Final answer
x = 265,871,376.70
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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.