Finding the Fourth Proportional to 229,243,786.13, 343,219,941.36 and 205,998,556.79
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Solution
The fourth proportional to 229,243,786.13, 343,219,941.36 and 205,998,556.79 is: 308,417,574.91
Step by Step Solution
- Step 1: Write the proportion equation
229,243,786.13 : 343,219,941.36 = 205,998,556.79 : x - Step 2: Convert to fraction form
229,243,786.13/343,219,941.36 = 205,998,556.79/x - Step 3: Cross multiply
229,243,786.13x = 343,219,941.36 × 205,998,556.79 - Step 4: Simplify right side
229,243,786.13x = 70,702,812,579,992,328 - Step 5: Solve for x
x = 70,702,812,579,992,328/229,243,786.13 - Step 6: Final answer
x = 308,417,574.91
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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.