Finding the Fourth Proportional to 505,260,726.76, 757,918,651.74 and 160,189,396.84
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Solution
The fourth proportional to 505,260,726.76, 757,918,651.74 and 160,189,396.84 is: 240,292,833.47
Step by Step Solution
- Step 1: Write the proportion equation
505,260,726.76 : 757,918,651.74 = 160,189,396.84 : x - Step 2: Convert to fraction form
505,260,726.76/757,918,651.74 = 160,189,396.84/x - Step 3: Cross multiply
505,260,726.76x = 757,918,651.74 × 160,189,396.84 - Step 4: Simplify right side
505,260,726.76x = 121,410,531,676,016,624 - Step 5: Solve for x
x = 121,410,531,676,016,624/505,260,726.76 - Step 6: Final answer
x = 240,292,833.47
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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.