Finding the Fourth Proportional to 672,586,357.98, 1,009,170,796.14 and 361,330,812.12
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Solution
The fourth proportional to 672,586,357.98, 1,009,170,796.14 and 361,330,812.12 is: 542,152,690.15
Step by Step Solution
- Step 1: Write the proportion equation
672,586,357.98 : 1,009,170,796.14 = 361,330,812.12 : x - Step 2: Convert to fraction form
672,586,357.98/1,009,170,796.14 = 361,330,812.12/x - Step 3: Cross multiply
672,586,357.98x = 1,009,170,796.14 × 361,330,812.12 - Step 4: Simplify right side
672,586,357.98x = 364,644,503,337,053,184 - Step 5: Solve for x
x = 364,644,503,337,053,184/672,586,357.98 - Step 6: Final answer
x = 542,152,690.15
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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.