Finding the Fourth Proportional to 325,629,551.70, 488,295,028.35 and 143,783,126.10
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Solution
The fourth proportional to 325,629,551.70, 488,295,028.35 and 143,783,126.10 is: 215,608,765.45
Step by Step Solution
- Step 1: Write the proportion equation
325,629,551.70 : 488,295,028.35 = 143,783,126.10 : x - Step 2: Convert to fraction form
325,629,551.70/488,295,028.35 = 143,783,126.10/x - Step 3: Cross multiply
325,629,551.70x = 488,295,028.35 × 143,783,126.10 - Step 4: Simplify right side
325,629,551.70x = 70,208,585,635,251,128 - Step 5: Solve for x
x = 70,208,585,635,251,128/325,629,551.70 - Step 6: Final answer
x = 215,608,765.45
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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.