Finding the Fourth Proportional to 324,118,072.13, 486,178,354.16 and 78,474,297.65
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Solution
The fourth proportional to 324,118,072.13, 486,178,354.16 and 78,474,297.65 is: 117,711,748.14
Step by Step Solution
- Step 1: Write the proportion equation
324,118,072.13 : 486,178,354.16 = 78,474,297.65 : x - Step 2: Convert to fraction form
324,118,072.13/486,178,354.16 = 78,474,297.65/x - Step 3: Cross multiply
324,118,072.13x = 486,178,354.16 × 78,474,297.65 - Step 4: Simplify right side
324,118,072.13x = 38,152,504,874,946,584 - Step 5: Solve for x
x = 38,152,504,874,946,584/324,118,072.13 - Step 6: Final answer
x = 117,711,748.14
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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.