Finding the Fourth Proportional to 293,419,405.20, 440,129,107.80 and 207,325,963.20
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Solution
The fourth proportional to 293,419,405.20, 440,129,107.80 and 207,325,963.20 is: 310,988,944.80
Step by Step Solution
- Step 1: Write the proportion equation
293,419,405.20 : 440,129,107.80 = 207,325,963.20 : x - Step 2: Convert to fraction form
293,419,405.20/440,129,107.80 = 207,325,963.20/x - Step 3: Cross multiply
293,419,405.20x = 440,129,107.80 × 207,325,963.20 - Step 4: Simplify right side
293,419,405.20x = 91,250,191,206,991,632 - Step 5: Solve for x
x = 91,250,191,206,991,632/293,419,405.20 - Step 6: Final answer
x = 310,988,944.80
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.