Finding the Fourth Proportional to 328,974,098.36, 493,457,343.06 and 79,980,766.08
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Solution
The fourth proportional to 328,974,098.36, 493,457,343.06 and 79,980,766.08 is: 119,970,224.17
Step by Step Solution
- Step 1: Write the proportion equation
328,974,098.36 : 493,457,343.06 = 79,980,766.08 : x - Step 2: Convert to fraction form
328,974,098.36/493,457,343.06 = 79,980,766.08/x - Step 3: Cross multiply
328,974,098.36x = 493,457,343.06 × 79,980,766.08 - Step 4: Simplify right side
328,974,098.36x = 39,467,096,325,740,168 - Step 5: Solve for x
x = 39,467,096,325,740,168/328,974,098.36 - Step 6: Final answer
x = 119,970,224.17
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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.