Finding the Fourth Proportional to 313,595,404.80, 470,393,107.20 and 177,546,508.80
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Solution
The fourth proportional to 313,595,404.80, 470,393,107.20 and 177,546,508.80 is: 266,319,763.20
Step by Step Solution
- Step 1: Write the proportion equation
313,595,404.80 : 470,393,107.20 = 177,546,508.80 : x - Step 2: Convert to fraction form
313,595,404.80/470,393,107.20 = 177,546,508.80/x - Step 3: Cross multiply
313,595,404.80x = 470,393,107.20 × 177,546,508.80 - Step 4: Simplify right side
313,595,404.80x = 83,516,653,946,944,144 - Step 5: Solve for x
x = 83,516,653,946,944,144/313,595,404.80 - Step 6: Final answer
x = 266,319,763.20
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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.