Finding the Fourth Proportional to 300,848,859.12, 415,257,519 and 177,161,280.80
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Solution
The fourth proportional to 300,848,859.12, 415,257,519 and 177,161,280.80 is: 244,533,265.45
Step by Step Solution
- Step 1: Write the proportion equation
300,848,859.12 : 415,257,519 = 177,161,280.80 : x - Step 2: Convert to fraction form
300,848,859.12/415,257,519 = 177,161,280.80/x - Step 3: Cross multiply
300,848,859.12x = 415,257,519 × 177,161,280.80 - Step 4: Simplify right side
300,848,859.12x = 73,567,553,927,870,336 - Step 5: Solve for x
x = 73,567,553,927,870,336/300,848,859.12 - Step 6: Final answer
x = 244,533,265.45
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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.