Finding the Fourth Proportional to 684,318,478.26, 944,378,068.84 and 387,005,180.38
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Solution
The fourth proportional to 684,318,478.26, 944,378,068.84 and 387,005,180.38 is: 534,077,650.23
Step by Step Solution
- Step 1: Write the proportion equation
684,318,478.26 : 944,378,068.84 = 387,005,180.38 : x - Step 2: Convert to fraction form
684,318,478.26/944,378,068.84 = 387,005,180.38/x - Step 3: Cross multiply
684,318,478.26x = 944,378,068.84 × 387,005,180.38 - Step 4: Simplify right side
684,318,478.26x = 365,479,204,878,340,288 - Step 5: Solve for x
x = 365,479,204,878,340,288/684,318,478.26 - Step 6: Final answer
x = 534,077,650.23
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.