Home / 485,060,832.80-728,047,894.80-255,194,885.60

Finding the Fourth Proportional to 485,060,832.80, 728,047,894.80 and 255,194,885.60

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Solution

The fourth proportional to 485,060,832.80, 728,047,894.80 and 255,194,885.60 is: 383,032,573.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,060,832.80 : 728,047,894.80 = 255,194,885.60 : x
  2. Step 2: Convert to fraction form
    485,060,832.80/728,047,894.80 = 255,194,885.60/x
  3. Step 3: Cross multiply
    485,060,832.80x = 728,047,894.80 × 255,194,885.60
  4. Step 4: Simplify right side
    485,060,832.80x = 185,794,099,224,806,816
  5. Step 5: Solve for x
    x = 185,794,099,224,806,816/485,060,832.80
  6. Step 6: Final answer
    x = 383,032,573.77

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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.