Home / 485,060,826.80-728,047,885.80-255,194,879.60

Finding the Fourth Proportional to 485,060,826.80, 728,047,885.80 and 255,194,879.60

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Solution

The fourth proportional to 485,060,826.80, 728,047,885.80 and 255,194,879.60 is: 383,032,564.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,060,826.80 : 728,047,885.80 = 255,194,879.60 : x
  2. Step 2: Convert to fraction form
    485,060,826.80/728,047,885.80 = 255,194,879.60/x
  3. Step 3: Cross multiply
    485,060,826.80x = 728,047,885.80 × 255,194,879.60
  4. Step 4: Simplify right side
    485,060,826.80x = 185,794,092,559,765,536
  5. Step 5: Solve for x
    x = 185,794,092,559,765,536/485,060,826.80
  6. Step 6: Final answer
    x = 383,032,564.77

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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.