Finding the Fourth Proportional to 330,097,931.20, 495,146,896.80 and 177,042,923.20
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Solution
The fourth proportional to 330,097,931.20, 495,146,896.80 and 177,042,923.20 is: 265,564,384.80
Step by Step Solution
- Step 1: Write the proportion equation
330,097,931.20 : 495,146,896.80 = 177,042,923.20 : x - Step 2: Convert to fraction form
330,097,931.20/495,146,896.80 = 177,042,923.20/x - Step 3: Cross multiply
330,097,931.20x = 495,146,896.80 × 177,042,923.20 - Step 4: Simplify right side
330,097,931.20x = 87,662,254,022,880,720 - Step 5: Solve for x
x = 87,662,254,022,880,720/330,097,931.20 - Step 6: Final answer
x = 265,564,384.80
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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.