Finding the Fourth Proportional to 449,039,304.96, 673,583,102.72 and 142,355,332.68
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Solution
The fourth proportional to 449,039,304.96, 673,583,102.72 and 142,355,332.68 is: 213,540,653.60
Step by Step Solution
- Step 1: Write the proportion equation
449,039,304.96 : 673,583,102.72 = 142,355,332.68 : x - Step 2: Convert to fraction form
449,039,304.96/673,583,102.72 = 142,355,332.68/x - Step 3: Cross multiply
449,039,304.96x = 673,583,102.72 × 142,355,332.68 - Step 4: Simplify right side
449,039,304.96x = 95,888,146,675,332,224 - Step 5: Solve for x
x = 95,888,146,675,332,224/449,039,304.96 - Step 6: Final answer
x = 213,540,653.60
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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.