Finding the Fourth Proportional to 802,577,021.28, 1,203,471,670.41 and 329,790,415.56
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Solution
The fourth proportional to 802,577,021.28, 1,203,471,670.41 and 329,790,415.56 is: 494,523,779.99
Step by Step Solution
- Step 1: Write the proportion equation
802,577,021.28 : 1,203,471,670.41 = 329,790,415.56 : x - Step 2: Convert to fraction form
802,577,021.28/1,203,471,670.41 = 329,790,415.56/x - Step 3: Cross multiply
802,577,021.28x = 1,203,471,670.41 × 329,790,415.56 - Step 4: Simplify right side
802,577,021.28x = 396,893,422,299,201,280 - Step 5: Solve for x
x = 396,893,422,299,201,280/802,577,021.28 - Step 6: Final answer
x = 494,523,779.99
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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.