Finding the Fourth Proportional to 417,703,351.08, 576,435,212.70 and 229,531,693.65
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Solution
The fourth proportional to 417,703,351.08, 576,435,212.70 and 229,531,693.65 is: 316,756,258.50
Step by Step Solution
- Step 1: Write the proportion equation
417,703,351.08 : 576,435,212.70 = 229,531,693.65 : x - Step 2: Convert to fraction form
417,703,351.08/576,435,212.70 = 229,531,693.65/x - Step 3: Cross multiply
417,703,351.08x = 576,435,212.70 × 229,531,693.65 - Step 4: Simplify right side
417,703,351.08x = 132,310,150,650,529,008 - Step 5: Solve for x
x = 132,310,150,650,529,008/417,703,351.08 - Step 6: Final answer
x = 316,756,258.50
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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.