Finding the Fourth Proportional to 434,662,857.87, 599,780,246.61 and 293,840,489.91
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Solution
The fourth proportional to 434,662,857.87, 599,780,246.61 and 293,840,489.91 is: 405,463,034.88
Step by Step Solution
- Step 1: Write the proportion equation
434,662,857.87 : 599,780,246.61 = 293,840,489.91 : x - Step 2: Convert to fraction form
434,662,857.87/599,780,246.61 = 293,840,489.91/x - Step 3: Cross multiply
434,662,857.87x = 599,780,246.61 × 293,840,489.91 - Step 4: Simplify right side
434,662,857.87x = 176,239,721,502,223,040 - Step 5: Solve for x
x = 176,239,721,502,223,040/434,662,857.87 - Step 6: Final answer
x = 405,463,034.88
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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.