Finding the Fourth Proportional to 4,042,548,793.80, 6,063,823,190.70 and 978,929,209.80
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Solution
The fourth proportional to 4,042,548,793.80, 6,063,823,190.70 and 978,929,209.80 is: 1,468,393,814.70
Step by Step Solution
- Step 1: Write the proportion equation
4,042,548,793.80 : 6,063,823,190.70 = 978,929,209.80 : x - Step 2: Convert to fraction form
4,042,548,793.80/6,063,823,190.70 = 978,929,209.80/x - Step 3: Cross multiply
4,042,548,793.80x = 6,063,823,190.70 × 978,929,209.80 - Step 4: Simplify right side
4,042,548,793.80x = 5,936,053,644,438,864,896 - Step 5: Solve for x
x = 5,936,053,644,438,864,896/4,042,548,793.80 - Step 6: Final answer
x = 1,468,393,814.70
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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.