Finding the Fourth Proportional to 361,745,531.20, 498,996,317.76 and 227,570,078.08
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Solution
The fourth proportional to 361,745,531.20, 498,996,317.76 and 227,570,078.08 is: 313,913,016.75
Step by Step Solution
- Step 1: Write the proportion equation
361,745,531.20 : 498,996,317.76 = 227,570,078.08 : x - Step 2: Convert to fraction form
361,745,531.20/498,996,317.76 = 227,570,078.08/x - Step 3: Cross multiply
361,745,531.20x = 498,996,317.76 × 227,570,078.08 - Step 4: Simplify right side
361,745,531.20x = 113,556,630,994,275,696 - Step 5: Solve for x
x = 113,556,630,994,275,696/361,745,531.20 - Step 6: Final answer
x = 313,913,016.75
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.