Finding the Fourth Proportional to 318,724,682.74, 478,226,084.58 and 111,611,744.98
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Solution
The fourth proportional to 318,724,682.74, 478,226,084.58 and 111,611,744.98 is: 167,466,313.99
Step by Step Solution
- Step 1: Write the proportion equation
318,724,682.74 : 478,226,084.58 = 111,611,744.98 : x - Step 2: Convert to fraction form
318,724,682.74/478,226,084.58 = 111,611,744.98/x - Step 3: Cross multiply
318,724,682.74x = 478,226,084.58 × 111,611,744.98 - Step 4: Simplify right side
318,724,682.74x = 53,375,647,794,926,872 - Step 5: Solve for x
x = 53,375,647,794,926,872/318,724,682.74 - Step 6: Final answer
x = 167,466,313.99
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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.