Finding the Fourth Proportional to 351,486,998.40, 527,230,497.60 and 294,516,523.20
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Solution
The fourth proportional to 351,486,998.40, 527,230,497.60 and 294,516,523.20 is: 441,774,784.80
Step by Step Solution
- Step 1: Write the proportion equation
351,486,998.40 : 527,230,497.60 = 294,516,523.20 : x - Step 2: Convert to fraction form
351,486,998.40/527,230,497.60 = 294,516,523.20/x - Step 3: Cross multiply
351,486,998.40x = 527,230,497.60 × 294,516,523.20 - Step 4: Simplify right side
351,486,998.40x = 155,278,093,078,157,952 - Step 5: Solve for x
x = 155,278,093,078,157,952/351,486,998.40 - Step 6: Final answer
x = 441,774,784.80
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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.