Home / 624,324,993.20-861,621,398.52-345,953,835.44

Finding the Fourth Proportional to 624,324,993.20, 861,621,398.52 and 345,953,835.44

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Solution

The fourth proportional to 624,324,993.20, 861,621,398.52 and 345,953,835.44 is: 477,445,610.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,324,993.20 : 861,621,398.52 = 345,953,835.44 : x
  2. Step 2: Convert to fraction form
    624,324,993.20/861,621,398.52 = 345,953,835.44/x
  3. Step 3: Cross multiply
    624,324,993.20x = 861,621,398.52 × 345,953,835.44
  4. Step 4: Simplify right side
    624,324,993.20x = 298,081,227,515,170,752
  5. Step 5: Solve for x
    x = 298,081,227,515,170,752/624,324,993.20
  6. Step 6: Final answer
    x = 477,445,610.48

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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.