Finding the Fourth Proportional to 293,415,636.70, 440,123,455.06 and 207,322,194.70
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Solution
The fourth proportional to 293,415,636.70, 440,123,455.06 and 207,322,194.70 is: 310,983,292.06
Step by Step Solution
- Step 1: Write the proportion equation
293,415,636.70 : 440,123,455.06 = 207,322,194.70 : x - Step 2: Convert to fraction form
293,415,636.70/440,123,455.06 = 207,322,194.70/x - Step 3: Cross multiply
293,415,636.70x = 440,123,455.06 × 207,322,194.70 - Step 4: Simplify right side
293,415,636.70x = 91,247,360,641,986,016 - Step 5: Solve for x
x = 91,247,360,641,986,016/293,415,636.70 - Step 6: Final answer
x = 310,983,292.06
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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.