Home / 439,393,279.56-606,391,069.32-243,822,991.56

Finding the Fourth Proportional to 439,393,279.56, 606,391,069.32 and 243,822,991.56

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Solution

The fourth proportional to 439,393,279.56, 606,391,069.32 and 243,822,991.56 is: 336,491,456.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,393,279.56 : 606,391,069.32 = 243,822,991.56 : x
  2. Step 2: Convert to fraction form
    439,393,279.56/606,391,069.32 = 243,822,991.56/x
  3. Step 3: Cross multiply
    439,393,279.56x = 606,391,069.32 × 243,822,991.56
  4. Step 4: Simplify right side
    439,393,279.56x = 147,852,084,576,869,760
  5. Step 5: Solve for x
    x = 147,852,084,576,869,760/439,393,279.56
  6. Step 6: Final answer
    x = 336,491,456.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.