Finding the Fourth Proportional to 1,213,753,231.96, 1,819,892,596.26 and 475,939,224.65
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Solution
The fourth proportional to 1,213,753,231.96, 1,819,892,596.26 and 475,939,224.65 is: 713,619,744.45
Step by Step Solution
- Step 1: Write the proportion equation
1,213,753,231.96 : 1,819,892,596.26 = 475,939,224.65 : x - Step 2: Convert to fraction form
1,213,753,231.96/1,819,892,596.26 = 475,939,224.65/x - Step 3: Cross multiply
1,213,753,231.96x = 1,819,892,596.26 × 475,939,224.65 - Step 4: Simplify right side
1,213,753,231.96x = 866,158,271,210,259,840 - Step 5: Solve for x
x = 866,158,271,210,259,840/1,213,753,231.96 - Step 6: Final answer
x = 713,619,744.45
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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.