Finding the Fourth Proportional to 330,163,886.70, 495,245,830.05 and 325,062,053.10
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Solution
The fourth proportional to 330,163,886.70, 495,245,830.05 and 325,062,053.10 is: 487,593,079.65
Step by Step Solution
- Step 1: Write the proportion equation
330,163,886.70 : 495,245,830.05 = 325,062,053.10 : x - Step 2: Convert to fraction form
330,163,886.70/495,245,830.05 = 325,062,053.10/x - Step 3: Cross multiply
330,163,886.70x = 495,245,830.05 × 325,062,053.10 - Step 4: Simplify right side
330,163,886.70x = 160,985,626,305,266,688 - Step 5: Solve for x
x = 160,985,626,305,266,688/330,163,886.70 - Step 6: Final answer
x = 487,593,079.65
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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.