Finding the Fourth Proportional to 229,243,788.13, 343,219,944.36 and 205,998,558.79
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Solution
The fourth proportional to 229,243,788.13, 343,219,944.36 and 205,998,558.79 is: 308,417,577.91
Step by Step Solution
- Step 1: Write the proportion equation
229,243,788.13 : 343,219,944.36 = 205,998,558.79 : x - Step 2: Convert to fraction form
229,243,788.13/343,219,944.36 = 205,998,558.79/x - Step 3: Cross multiply
229,243,788.13x = 343,219,944.36 × 205,998,558.79 - Step 4: Simplify right side
229,243,788.13x = 70,702,813,886,143,992 - Step 5: Solve for x
x = 70,702,813,886,143,992/229,243,788.13 - Step 6: Final answer
x = 308,417,577.91
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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.