Finding the Fourth Proportional to 395,528,779.77, 593,235,418.42 and 115,334,401.09
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Solution
The fourth proportional to 395,528,779.77, 593,235,418.42 and 115,334,401.09 is: 172,984,761.64
Step by Step Solution
- Step 1: Write the proportion equation
395,528,779.77 : 593,235,418.42 = 115,334,401.09 : x - Step 2: Convert to fraction form
395,528,779.77/593,235,418.42 = 115,334,401.09/x - Step 3: Cross multiply
395,528,779.77x = 593,235,418.42 × 115,334,401.09 - Step 4: Simplify right side
395,528,779.77x = 68,420,451,690,257,856 - Step 5: Solve for x
x = 68,420,451,690,257,856/395,528,779.77 - Step 6: Final answer
x = 172,984,761.64
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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.