Finding the Fourth Proportional to 267,497,745.40, 401,246,618.10 and 239,437,660.60
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Solution
The fourth proportional to 267,497,745.40, 401,246,618.10 and 239,437,660.60 is: 359,156,490.90
Step by Step Solution
- Step 1: Write the proportion equation
267,497,745.40 : 401,246,618.10 = 239,437,660.60 : x - Step 2: Convert to fraction form
267,497,745.40/401,246,618.10 = 239,437,660.60/x - Step 3: Cross multiply
267,497,745.40x = 401,246,618.10 × 239,437,660.60 - Step 4: Simplify right side
267,497,745.40x = 96,073,551,561,525,616 - Step 5: Solve for x
x = 96,073,551,561,525,616/267,497,745.40 - Step 6: Final answer
x = 359,156,490.90
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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.