Finding the Fourth Proportional to 293,454,313.20, 440,181,469.80 and 120,873,769.20
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Solution
The fourth proportional to 293,454,313.20, 440,181,469.80 and 120,873,769.20 is: 181,310,653.80
Step by Step Solution
- Step 1: Write the proportion equation
293,454,313.20 : 440,181,469.80 = 120,873,769.20 : x - Step 2: Convert to fraction form
293,454,313.20/440,181,469.80 = 120,873,769.20/x - Step 3: Cross multiply
293,454,313.20x = 440,181,469.80 × 120,873,769.20 - Step 4: Simplify right side
293,454,313.20x = 53,206,393,386,721,976 - Step 5: Solve for x
x = 53,206,393,386,721,976/293,454,313.20 - Step 6: Final answer
x = 181,310,653.80
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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.