Finding the Fourth Proportional to 3,239,430,058.20, 4,859,145,087.30 and 2,137,434,000.60
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Solution
The fourth proportional to 3,239,430,058.20, 4,859,145,087.30 and 2,137,434,000.60 is: 3,206,151,000.90
Step by Step Solution
- Step 1: Write the proportion equation
3,239,430,058.20 : 4,859,145,087.30 = 2,137,434,000.60 : x - Step 2: Convert to fraction form
3,239,430,058.20/4,859,145,087.30 = 2,137,434,000.60/x - Step 3: Cross multiply
3,239,430,058.20x = 4,859,145,087.30 × 2,137,434,000.60 - Step 4: Simplify right side
3,239,430,058.20x = 10,386,101,923,443,474,432 - Step 5: Solve for x
x = 10,386,101,923,443,474,432/3,239,430,058.20 - Step 6: Final answer
x = 3,206,151,000.90
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1.5x scale
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.