Finding the Fourth Proportional to 493,570,350.18, 740,438,760.15 and 165,967,988.31
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Solution
The fourth proportional to 493,570,350.18, 740,438,760.15 and 165,967,988.31 is: 248,979,971.03
Step by Step Solution
- Step 1: Write the proportion equation
493,570,350.18 : 740,438,760.15 = 165,967,988.31 : x - Step 2: Convert to fraction form
493,570,350.18/740,438,760.15 = 165,967,988.31/x - Step 3: Cross multiply
493,570,350.18x = 740,438,760.15 × 165,967,988.31 - Step 4: Simplify right side
493,570,350.18x = 122,889,131,488,846,096 - Step 5: Solve for x
x = 122,889,131,488,846,096/493,570,350.18 - Step 6: Final answer
x = 248,979,971.03
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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.