Finding the Fourth Proportional to 587,378,850.06, 810,605,940.99 and 323,085,435.06
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Solution
The fourth proportional to 587,378,850.06, 810,605,940.99 and 323,085,435.06 is: 445,870,621.80
Step by Step Solution
- Step 1: Write the proportion equation
587,378,850.06 : 810,605,940.99 = 323,085,435.06 : x - Step 2: Convert to fraction form
587,378,850.06/810,605,940.99 = 323,085,435.06/x - Step 3: Cross multiply
587,378,850.06x = 810,605,940.99 × 323,085,435.06 - Step 4: Simplify right side
587,378,850.06x = 261,894,973,106,974,848 - Step 5: Solve for x
x = 261,894,973,106,974,848/587,378,850.06 - Step 6: Final answer
x = 445,870,621.80
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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.