Finding the Fourth Proportional to 40,181,568,934.98, 55,450,125,091 and 22,116,698,917.14
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Solution
The fourth proportional to 40,181,568,934.98, 55,450,125,091 and 22,116,698,917.14 is: 30,520,802,299.68
Step by Step Solution
- Step 1: Write the proportion equation
40,181,568,934.98 : 55,450,125,091 = 22,116,698,917.14 : x - Step 2: Convert to fraction form
40,181,568,934.98/55,450,125,091 = 22,116,698,917.14/x - Step 3: Cross multiply
40,181,568,934.98x = 55,450,125,091 × 22,116,698,917.14 - Step 4: Simplify right side
40,181,568,934.98x = 1,226,373,721,555,397,246,976 - Step 5: Solve for x
x = 1,226,373,721,555,397,246,976/40,181,568,934.98 - Step 6: Final answer
x = 30,520,802,299.68
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.