Home / 855,561,283.26-1,283,190,223.92-389,113,450.86

Finding the Fourth Proportional to 855,561,283.26, 1,283,190,223.92 and 389,113,450.86

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Solution

The fourth proportional to 855,561,283.26, 1,283,190,223.92 and 389,113,450.86 is: 583,601,181.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,561,283.26 : 1,283,190,223.92 = 389,113,450.86 : x
  2. Step 2: Convert to fraction form
    855,561,283.26/1,283,190,223.92 = 389,113,450.86/x
  3. Step 3: Cross multiply
    855,561,283.26x = 1,283,190,223.92 × 389,113,450.86
  4. Step 4: Simplify right side
    855,561,283.26x = 499,306,576,139,327,360
  5. Step 5: Solve for x
    x = 499,306,576,139,327,360/855,561,283.26
  6. Step 6: Final answer
    x = 583,601,181.95

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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.