Finding the Fourth Proportional to 252,215,890.02, 347,748,704.23 and 207,405,264.67
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Solution
The fourth proportional to 252,215,890.02, 347,748,704.23 and 207,405,264.67 is: 285,964,980.38
Step by Step Solution
- Step 1: Write the proportion equation
252,215,890.02 : 347,748,704.23 = 207,405,264.67 : x - Step 2: Convert to fraction form
252,215,890.02/347,748,704.23 = 207,405,264.67/x - Step 3: Cross multiply
252,215,890.02x = 347,748,704.23 × 207,405,264.67 - Step 4: Simplify right side
252,215,890.02x = 72,124,912,040,429,088 - Step 5: Solve for x
x = 72,124,912,040,429,088/252,215,890.02 - Step 6: Final answer
x = 285,964,980.38
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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.