Home / 1,028,640,004.92-1,542,955,808.34-373,589,764.92

Finding the Fourth Proportional to 1,028,640,004.92, 1,542,955,808.34 and 373,589,764.92

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Solution

The fourth proportional to 1,028,640,004.92, 1,542,955,808.34 and 373,589,764.92 is: 560,383,122.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,640,004.92 : 1,542,955,808.34 = 373,589,764.92 : x
  2. Step 2: Convert to fraction form
    1,028,640,004.92/1,542,955,808.34 = 373,589,764.92/x
  3. Step 3: Cross multiply
    1,028,640,004.92x = 1,542,955,808.34 × 373,589,764.92
  4. Step 4: Simplify right side
    1,028,640,004.92x = 576,432,497,719,689,152
  5. Step 5: Solve for x
    x = 576,432,497,719,689,152/1,028,640,004.92
  6. Step 6: Final answer
    x = 560,383,122.34

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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.