Finding the Fourth Proportional to 355,588,435.20, 533,382,652.80 and 202,533,427.20
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Solution
The fourth proportional to 355,588,435.20, 533,382,652.80 and 202,533,427.20 is: 303,800,140.80
Step by Step Solution
- Step 1: Write the proportion equation
355,588,435.20 : 533,382,652.80 = 202,533,427.20 : x - Step 2: Convert to fraction form
355,588,435.20/533,382,652.80 = 202,533,427.20/x - Step 3: Cross multiply
355,588,435.20x = 533,382,652.80 × 202,533,427.20 - Step 4: Simplify right side
355,588,435.20x = 108,027,816,680,611,680 - Step 5: Solve for x
x = 108,027,816,680,611,680/355,588,435.20 - Step 6: Final answer
x = 303,800,140.80
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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.