Finding the Fourth Proportional to 633,559,464.48, 874,313,944.21 and 351,321,788.55
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Solution
The fourth proportional to 633,559,464.48, 874,313,944.21 and 351,321,788.55 is: 484,825,112.48
Step by Step Solution
- Step 1: Write the proportion equation
633,559,464.48 : 874,313,944.21 = 351,321,788.55 : x - Step 2: Convert to fraction form
633,559,464.48/874,313,944.21 = 351,321,788.55/x - Step 3: Cross multiply
633,559,464.48x = 874,313,944.21 × 351,321,788.55 - Step 4: Simplify right side
633,559,464.48x = 307,165,538,628,812,224 - Step 5: Solve for x
x = 307,165,538,628,812,224/633,559,464.48 - Step 6: Final answer
x = 484,825,112.48
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.