Home / 485,060,672.80-728,047,654.80-255,194,725.60

Finding the Fourth Proportional to 485,060,672.80, 728,047,654.80 and 255,194,725.60

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Solution

The fourth proportional to 485,060,672.80, 728,047,654.80 and 255,194,725.60 is: 383,032,333.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,060,672.80 : 728,047,654.80 = 255,194,725.60 : x
  2. Step 2: Convert to fraction form
    485,060,672.80/728,047,654.80 = 255,194,725.60/x
  3. Step 3: Cross multiply
    485,060,672.80x = 728,047,654.80 × 255,194,725.60
  4. Step 4: Simplify right side
    485,060,672.80x = 185,793,921,490,409,504
  5. Step 5: Solve for x
    x = 185,793,921,490,409,504/485,060,672.80
  6. Step 6: Final answer
    x = 383,032,333.70

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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.