Home / 490,825,840.60-736,238,760.90-127,320,196.60

Finding the Fourth Proportional to 490,825,840.60, 736,238,760.90 and 127,320,196.60

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Solution

The fourth proportional to 490,825,840.60, 736,238,760.90 and 127,320,196.60 is: 190,980,294.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,825,840.60 : 736,238,760.90 = 127,320,196.60 : x
  2. Step 2: Convert to fraction form
    490,825,840.60/736,238,760.90 = 127,320,196.60/x
  3. Step 3: Cross multiply
    490,825,840.60x = 736,238,760.90 × 127,320,196.60
  4. Step 4: Simplify right side
    490,825,840.60x = 93,738,063,782,328,384
  5. Step 5: Solve for x
    x = 93,738,063,782,328,384/490,825,840.60
  6. Step 6: Final answer
    x = 190,980,294.90

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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.