Finding the Fourth Proportional to 330,097,939.70, 495,146,909.55 and 177,042,931.70
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Solution
The fourth proportional to 330,097,939.70, 495,146,909.55 and 177,042,931.70 is: 265,564,397.55
Step by Step Solution
- Step 1: Write the proportion equation
330,097,939.70 : 495,146,909.55 = 177,042,931.70 : x - Step 2: Convert to fraction form
330,097,939.70/495,146,909.55 = 177,042,931.70/x - Step 3: Cross multiply
330,097,939.70x = 495,146,909.55 × 177,042,931.70 - Step 4: Simplify right side
330,097,939.70x = 87,662,260,488,926,720 - Step 5: Solve for x
x = 87,662,260,488,926,720/330,097,939.70 - Step 6: Final answer
x = 265,564,397.55
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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.