Finding the Fourth Proportional to 308,027,247.42, 461,729,787.40 and 193,092,349.26
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Solution
The fourth proportional to 308,027,247.42, 461,729,787.40 and 193,092,349.26 is: 289,443,515.53
Step by Step Solution
- Step 1: Write the proportion equation
308,027,247.42 : 461,729,787.40 = 193,092,349.26 : x - Step 2: Convert to fraction form
308,027,247.42/461,729,787.40 = 193,092,349.26/x - Step 3: Cross multiply
308,027,247.42x = 461,729,787.40 × 193,092,349.26 - Step 4: Simplify right side
308,027,247.42x = 89,156,489,373,272,080 - Step 5: Solve for x
x = 89,156,489,373,272,080/308,027,247.42 - Step 6: Final answer
x = 289,443,515.53
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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.