Home / 485,119,231.20-727,678,846.80-178,347,866.40

Finding the Fourth Proportional to 485,119,231.20, 727,678,846.80 and 178,347,866.40

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Solution

The fourth proportional to 485,119,231.20, 727,678,846.80 and 178,347,866.40 is: 267,521,799.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,119,231.20 : 727,678,846.80 = 178,347,866.40 : x
  2. Step 2: Convert to fraction form
    485,119,231.20/727,678,846.80 = 178,347,866.40/x
  3. Step 3: Cross multiply
    485,119,231.20x = 727,678,846.80 × 178,347,866.40
  4. Step 4: Simplify right side
    485,119,231.20x = 129,779,969,751,192,464
  5. Step 5: Solve for x
    x = 129,779,969,751,192,464/485,119,231.20
  6. Step 6: Final answer
    x = 267,521,799.60

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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.