Finding the Fourth Proportional to 263,724,064.80, 395,313,159.60 and 118,227,328.80
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Solution
The fourth proportional to 263,724,064.80, 395,313,159.60 and 118,227,328.80 is: 177,218,635.45
Step by Step Solution
- Step 1: Write the proportion equation
263,724,064.80 : 395,313,159.60 = 118,227,328.80 : x - Step 2: Convert to fraction form
263,724,064.80/395,313,159.60 = 118,227,328.80/x - Step 3: Cross multiply
263,724,064.80x = 395,313,159.60 × 118,227,328.80 - Step 4: Simplify right side
263,724,064.80x = 46,736,818,898,996,080 - Step 5: Solve for x
x = 46,736,818,898,996,080/263,724,064.80 - Step 6: Final answer
x = 177,218,635.45
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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.