Finding the Fourth Proportional to 556,543,135.10, 834,814,702.65 and 193,037,491.10
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Solution
The fourth proportional to 556,543,135.10, 834,814,702.65 and 193,037,491.10 is: 289,556,236.65
Step by Step Solution
- Step 1: Write the proportion equation
556,543,135.10 : 834,814,702.65 = 193,037,491.10 : x - Step 2: Convert to fraction form
556,543,135.10/834,814,702.65 = 193,037,491.10/x - Step 3: Cross multiply
556,543,135.10x = 834,814,702.65 × 193,037,491.10 - Step 4: Simplify right side
556,543,135.10x = 161,150,535,732,948,512 - Step 5: Solve for x
x = 161,150,535,732,948,512/556,543,135.10 - Step 6: Final answer
x = 289,556,236.65
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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.