Finding the Fourth Proportional to 215,622,276.80, 323,433,415.20 and 177,358,524.80
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Solution
The fourth proportional to 215,622,276.80, 323,433,415.20 and 177,358,524.80 is: 266,037,787.20
Step by Step Solution
- Step 1: Write the proportion equation
215,622,276.80 : 323,433,415.20 = 177,358,524.80 : x - Step 2: Convert to fraction form
215,622,276.80/323,433,415.20 = 177,358,524.80/x - Step 3: Cross multiply
215,622,276.80x = 323,433,415.20 × 177,358,524.80 - Step 4: Simplify right side
215,622,276.80x = 57,363,673,390,897,896 - Step 5: Solve for x
x = 57,363,673,390,897,896/215,622,276.80 - Step 6: Final answer
x = 266,037,787.20
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1.5x scale
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.