Finding the Fourth Proportional to 1,455,933,620.20, 2,183,900,430.30 and 966,157,594.60
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Solution
The fourth proportional to 1,455,933,620.20, 2,183,900,430.30 and 966,157,594.60 is: 1,449,236,391.90
Step by Step Solution
- Step 1: Write the proportion equation
1,455,933,620.20 : 2,183,900,430.30 = 966,157,594.60 : x - Step 2: Convert to fraction form
1,455,933,620.20/2,183,900,430.30 = 966,157,594.60/x - Step 3: Cross multiply
1,455,933,620.20x = 2,183,900,430.30 × 966,157,594.60 - Step 4: Simplify right side
1,455,933,620.20x = 2,109,991,986,584,553,216 - Step 5: Solve for x
x = 2,109,991,986,584,553,216/1,455,933,620.20 - Step 6: Final answer
x = 1,449,236,391.90
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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.