Finding the Fourth Proportional to 263,724,364.80, 395,313,609.60 and 118,227,628.80
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Solution
The fourth proportional to 263,724,364.80, 395,313,609.60 and 118,227,628.80 is: 177,219,085.28
Step by Step Solution
- Step 1: Write the proportion equation
263,724,364.80 : 395,313,609.60 = 118,227,628.80 : x - Step 2: Convert to fraction form
263,724,364.80/395,313,609.60 = 118,227,628.80/x - Step 3: Cross multiply
263,724,364.80x = 395,313,609.60 × 118,227,628.80 - Step 4: Simplify right side
263,724,364.80x = 46,736,990,695,376,920 - Step 5: Solve for x
x = 46,736,990,695,376,920/263,724,364.80 - Step 6: Final answer
x = 177,219,085.28
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.