Finding the Fourth Proportional to 276,511,659.45, 414,477,792.28 and 128,837,453.30
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Solution
The fourth proportional to 276,511,659.45, 414,477,792.28 and 128,837,453.30 is: 193,121,198.99
Step by Step Solution
- Step 1: Write the proportion equation
276,511,659.45 : 414,477,792.28 = 128,837,453.30 : x - Step 2: Convert to fraction form
276,511,659.45/414,477,792.28 = 128,837,453.30/x - Step 3: Cross multiply
276,511,659.45x = 414,477,792.28 × 128,837,453.30 - Step 4: Simplify right side
276,511,659.45x = 53,400,263,206,761,592 - Step 5: Solve for x
x = 53,400,263,206,761,592/276,511,659.45 - Step 6: Final answer
x = 193,121,198.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.