Finding the Fourth Proportional to 792,232,539.64, 1,188,485,782.63 and 267,605,462.09
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Solution
The fourth proportional to 792,232,539.64, 1,188,485,782.63 and 267,605,462.09 is: 401,454,460.82
Step by Step Solution
- Step 1: Write the proportion equation
792,232,539.64 : 1,188,485,782.63 = 267,605,462.09 : x - Step 2: Convert to fraction form
792,232,539.64/1,188,485,782.63 = 267,605,462.09/x - Step 3: Cross multiply
792,232,539.64x = 1,188,485,782.63 × 267,605,462.09 - Step 4: Simplify right side
792,232,539.64x = 318,045,287,045,232,832 - Step 5: Solve for x
x = 318,045,287,045,232,832/792,232,539.64 - Step 6: Final answer
x = 401,454,460.82
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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.