Finding the Fourth Proportional to 4,042,548,121.80, 6,063,822,182.70 and 978,928,537.80
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Solution
The fourth proportional to 4,042,548,121.80, 6,063,822,182.70 and 978,928,537.80 is: 1,468,392,806.70
Step by Step Solution
- Step 1: Write the proportion equation
4,042,548,121.80 : 6,063,822,182.70 = 978,928,537.80 : x - Step 2: Convert to fraction form
4,042,548,121.80/6,063,822,182.70 = 978,928,537.80/x - Step 3: Cross multiply
4,042,548,121.80x = 6,063,822,182.70 × 978,928,537.80 - Step 4: Simplify right side
4,042,548,121.80x = 5,936,048,582,789,714,944 - Step 5: Solve for x
x = 5,936,048,582,789,714,944/4,042,548,121.80 - Step 6: Final answer
x = 1,468,392,806.70
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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.