Finding the Fourth Proportional to 332,623,975.20, 498,180,135.60 and 210,179,968.80
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Solution
The fourth proportional to 332,623,975.20, 498,180,135.60 and 210,179,968.80 is: 314,792,357.63
Step by Step Solution
- Step 1: Write the proportion equation
332,623,975.20 : 498,180,135.60 = 210,179,968.80 : x - Step 2: Convert to fraction form
332,623,975.20/498,180,135.60 = 210,179,968.80/x - Step 3: Cross multiply
332,623,975.20x = 498,180,135.60 × 210,179,968.80 - Step 4: Simplify right side
332,623,975.20x = 104,707,485,357,187,776 - Step 5: Solve for x
x = 104,707,485,357,187,776/332,623,975.20 - Step 6: Final answer
x = 314,792,357.63
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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.