Home / 423,481,664.70-635,448,195.45-164,705,327.10

Finding the Fourth Proportional to 423,481,664.70, 635,448,195.45 and 164,705,327.10

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Solution

The fourth proportional to 423,481,664.70, 635,448,195.45 and 164,705,327.10 is: 247,145,771.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,481,664.70 : 635,448,195.45 = 164,705,327.10 : x
  2. Step 2: Convert to fraction form
    423,481,664.70/635,448,195.45 = 164,705,327.10/x
  3. Step 3: Cross multiply
    423,481,664.70x = 635,448,195.45 × 164,705,327.10
  4. Step 4: Simplify right side
    423,481,664.70x = 104,661,702,886,696,992
  5. Step 5: Solve for x
    x = 104,661,702,886,696,992/423,481,664.70
  6. Step 6: Final answer
    x = 247,145,771.85

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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.