Finding the Fourth Proportional to 320,096,701.78, 441,727,690.35 and 180,864,474.19
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Solution
The fourth proportional to 320,096,701.78, 441,727,690.35 and 180,864,474.19 is: 249,589,720.88
Step by Step Solution
- Step 1: Write the proportion equation
320,096,701.78 : 441,727,690.35 = 180,864,474.19 : x - Step 2: Convert to fraction form
320,096,701.78/441,727,690.35 = 180,864,474.19/x - Step 3: Cross multiply
320,096,701.78x = 441,727,690.35 × 180,864,474.19 - Step 4: Simplify right side
320,096,701.78x = 79,892,846,450,315,888 - Step 5: Solve for x
x = 79,892,846,450,315,888/320,096,701.78 - Step 6: Final answer
x = 249,589,720.88
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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.