Finding the Fourth Proportional to 330,165,893.70, 495,248,840.55 and 330,165,893.70
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Solution
The fourth proportional to 330,165,893.70, 495,248,840.55 and 330,165,893.70 is: 495,248,840.55
Step by Step Solution
- Step 1: Write the proportion equation
330,165,893.70 : 495,248,840.55 = 330,165,893.70 : x - Step 2: Convert to fraction form
330,165,893.70/495,248,840.55 = 330,165,893.70/x - Step 3: Cross multiply
330,165,893.70x = 495,248,840.55 × 330,165,893.70 - Step 4: Simplify right side
330,165,893.70x = 163,514,276,044,079,552 - Step 5: Solve for x
x = 163,514,276,044,079,552/330,165,893.70 - Step 6: Final answer
x = 495,248,840.55
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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.