Home / 479,131,676.56-661,203,705.60-259,115,102.56

Finding the Fourth Proportional to 479,131,676.56, 661,203,705.60 and 259,115,102.56

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Solution

The fourth proportional to 479,131,676.56, 661,203,705.60 and 259,115,102.56 is: 357,579,918.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,131,676.56 : 661,203,705.60 = 259,115,102.56 : x
  2. Step 2: Convert to fraction form
    479,131,676.56/661,203,705.60 = 259,115,102.56/x
  3. Step 3: Cross multiply
    479,131,676.56x = 661,203,705.60 × 259,115,102.56
  4. Step 4: Simplify right side
    479,131,676.56x = 171,327,865,989,596,064
  5. Step 5: Solve for x
    x = 171,327,865,989,596,064/479,131,676.56
  6. Step 6: Final answer
    x = 357,579,918.78

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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.