Finding the Fourth Proportional to 498,216,589.20, 747,324,883.80 and 290,742,022.80
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Solution
The fourth proportional to 498,216,589.20, 747,324,883.80 and 290,742,022.80 is: 436,113,034.20
Step by Step Solution
- Step 1: Write the proportion equation
498,216,589.20 : 747,324,883.80 = 290,742,022.80 : x - Step 2: Convert to fraction form
498,216,589.20/747,324,883.80 = 290,742,022.80/x - Step 3: Cross multiply
498,216,589.20x = 747,324,883.80 × 290,742,022.80 - Step 4: Simplify right side
498,216,589.20x = 217,278,748,404,786,944 - Step 5: Solve for x
x = 217,278,748,404,786,944/498,216,589.20 - Step 6: Final answer
x = 436,113,034.20
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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.