Finding the Fourth Proportional to 330,579,332.20, 495,868,998.30 and 100,548,047.80
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Solution
The fourth proportional to 330,579,332.20, 495,868,998.30 and 100,548,047.80 is: 150,822,071.70
Step by Step Solution
- Step 1: Write the proportion equation
330,579,332.20 : 495,868,998.30 = 100,548,047.80 : x - Step 2: Convert to fraction form
330,579,332.20/495,868,998.30 = 100,548,047.80/x - Step 3: Cross multiply
330,579,332.20x = 495,868,998.30 × 100,548,047.80 - Step 4: Simplify right side
330,579,332.20x = 49,858,659,743,606,520 - Step 5: Solve for x
x = 49,858,659,743,606,520/330,579,332.20 - Step 6: Final answer
x = 150,822,071.70
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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.