Finding the Fourth Proportional to 659,379,054.35, 909,944,873.26 and 362,040,555.08
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Solution
The fourth proportional to 659,379,054.35, 909,944,873.26 and 362,040,555.08 is: 499,616,942.39
Step by Step Solution
- Step 1: Write the proportion equation
659,379,054.35 : 909,944,873.26 = 362,040,555.08 : x - Step 2: Convert to fraction form
659,379,054.35/909,944,873.26 = 362,040,555.08/x - Step 3: Cross multiply
659,379,054.35x = 909,944,873.26 × 362,040,555.08 - Step 4: Simplify right side
659,379,054.35x = 329,436,947,008,620,416 - Step 5: Solve for x
x = 329,436,947,008,620,416/659,379,054.35 - Step 6: Final answer
x = 499,616,942.39
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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.