Finding the Fourth Proportional to 762,912,354.70, 1,144,368,532.05 and 188,483,682.70
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Solution
The fourth proportional to 762,912,354.70, 1,144,368,532.05 and 188,483,682.70 is: 282,725,524.05
Step by Step Solution
- Step 1: Write the proportion equation
762,912,354.70 : 1,144,368,532.05 = 188,483,682.70 : x - Step 2: Convert to fraction form
762,912,354.70/1,144,368,532.05 = 188,483,682.70/x - Step 3: Cross multiply
762,912,354.70x = 1,144,368,532.05 × 188,483,682.70 - Step 4: Simplify right side
762,912,354.70x = 215,694,795,286,776,960 - Step 5: Solve for x
x = 215,694,795,286,776,960/762,912,354.70 - Step 6: Final answer
x = 282,725,524.05
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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.