Finding the Fourth Proportional to 322,527,760.20, 483,791,640.30 and 118,202,473.80
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Solution
The fourth proportional to 322,527,760.20, 483,791,640.30 and 118,202,473.80 is: 177,303,710.70
Step by Step Solution
- Step 1: Write the proportion equation
322,527,760.20 : 483,791,640.30 = 118,202,473.80 : x - Step 2: Convert to fraction form
322,527,760.20/483,791,640.30 = 118,202,473.80/x - Step 3: Cross multiply
322,527,760.20x = 483,791,640.30 × 118,202,473.80 - Step 4: Simplify right side
322,527,760.20x = 57,185,368,687,219,776 - Step 5: Solve for x
x = 57,185,368,687,219,776/322,527,760.20 - Step 6: Final answer
x = 177,303,710.70
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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.