Finding the Fourth Proportional to 302,173,850.60, 453,260,775.90 and 210,340,845.80
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Solution
The fourth proportional to 302,173,850.60, 453,260,775.90 and 210,340,845.80 is: 315,511,268.70
Step by Step Solution
- Step 1: Write the proportion equation
302,173,850.60 : 453,260,775.90 = 210,340,845.80 : x - Step 2: Convert to fraction form
302,173,850.60/453,260,775.90 = 210,340,845.80/x - Step 3: Cross multiply
302,173,850.60x = 453,260,775.90 × 210,340,845.80 - Step 4: Simplify right side
302,173,850.60x = 95,339,254,970,770,256 - Step 5: Solve for x
x = 95,339,254,970,770,256/302,173,850.60 - Step 6: Final answer
x = 315,511,268.70
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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.