Finding the Fourth Proportional to 324,118,072.63, 486,178,354.91 and 78,474,298.15
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Solution
The fourth proportional to 324,118,072.63, 486,178,354.91 and 78,474,298.15 is: 117,711,748.89
Step by Step Solution
- Step 1: Write the proportion equation
324,118,072.63 : 486,178,354.91 = 78,474,298.15 : x - Step 2: Convert to fraction form
324,118,072.63/486,178,354.91 = 78,474,298.15/x - Step 3: Cross multiply
324,118,072.63x = 486,178,354.91 × 78,474,298.15 - Step 4: Simplify right side
324,118,072.63x = 38,152,505,177,283,864 - Step 5: Solve for x
x = 38,152,505,177,283,864/324,118,072.63 - Step 6: Final answer
x = 117,711,748.89
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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.