Finding the Fourth Proportional to 756,959,086.08, 1,135,431,051.84 and 239,389,614.72
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Solution
The fourth proportional to 756,959,086.08, 1,135,431,051.84 and 239,389,614.72 is: 359,082,025.75
Step by Step Solution
- Step 1: Write the proportion equation
756,959,086.08 : 1,135,431,051.84 = 239,389,614.72 : x - Step 2: Convert to fraction form
756,959,086.08/1,135,431,051.84 = 239,389,614.72/x - Step 3: Cross multiply
756,959,086.08x = 1,135,431,051.84 × 239,389,614.72 - Step 4: Simplify right side
756,959,086.08x = 271,810,402,041,101,920 - Step 5: Solve for x
x = 271,810,402,041,101,920/756,959,086.08 - Step 6: Final answer
x = 359,082,025.75
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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.