Finding the Fourth Proportional to 324,118,073.63, 486,178,356.41 and 78,474,299.15
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Solution
The fourth proportional to 324,118,073.63, 486,178,356.41 and 78,474,299.15 is: 117,711,750.39
Step by Step Solution
- Step 1: Write the proportion equation
324,118,073.63 : 486,178,356.41 = 78,474,299.15 : x - Step 2: Convert to fraction form
324,118,073.63/486,178,356.41 = 78,474,299.15/x - Step 3: Cross multiply
324,118,073.63x = 486,178,356.41 × 78,474,299.15 - Step 4: Simplify right side
324,118,073.63x = 38,152,505,781,173,664 - Step 5: Solve for x
x = 38,152,505,781,173,664/324,118,073.63 - Step 6: Final answer
x = 117,711,750.39
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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.