Finding the Fourth Proportional to 330,235,412.70, 455,725,161.05 and 181,559,063.37
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Solution
The fourth proportional to 330,235,412.70, 455,725,161.05 and 181,559,063.37 is: 250,551,667.72
Step by Step Solution
- Step 1: Write the proportion equation
330,235,412.70 : 455,725,161.05 = 181,559,063.37 : x - Step 2: Convert to fraction form
330,235,412.70/455,725,161.05 = 181,559,063.37/x - Step 3: Cross multiply
330,235,412.70x = 455,725,161.05 × 181,559,063.37 - Step 4: Simplify right side
330,235,412.70x = 82,741,033,393,472,608 - Step 5: Solve for x
x = 82,741,033,393,472,608/330,235,412.70 - Step 6: Final answer
x = 250,551,667.72
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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.