Finding the Fourth Proportional to 512,161,665.33, 768,243,052.17 and 239,723,751.09
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Solution
The fourth proportional to 512,161,665.33, 768,243,052.17 and 239,723,751.09 is: 359,585,886.02
Step by Step Solution
- Step 1: Write the proportion equation
512,161,665.33 : 768,243,052.17 = 239,723,751.09 : x - Step 2: Convert to fraction form
512,161,665.33/768,243,052.17 = 239,723,751.09/x - Step 3: Cross multiply
512,161,665.33x = 768,243,052.17 × 239,723,751.09 - Step 4: Simplify right side
512,161,665.33x = 184,166,106,215,022,944 - Step 5: Solve for x
x = 184,166,106,215,022,944/512,161,665.33 - Step 6: Final answer
x = 359,585,886.02
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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.