Home / 491,945,538.60-737,919,708.77-142,220,076.69

Finding the Fourth Proportional to 491,945,538.60, 737,919,708.77 and 142,220,076.69

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Solution

The fourth proportional to 491,945,538.60, 737,919,708.77 and 142,220,076.69 is: 213,330,520.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,945,538.60 : 737,919,708.77 = 142,220,076.69 : x
  2. Step 2: Convert to fraction form
    491,945,538.60/737,919,708.77 = 142,220,076.69/x
  3. Step 3: Cross multiply
    491,945,538.60x = 737,919,708.77 × 142,220,076.69
  4. Step 4: Simplify right side
    491,945,538.60x = 104,946,997,572,331,856
  5. Step 5: Solve for x
    x = 104,946,997,572,331,856/491,945,538.60
  6. Step 6: Final answer
    x = 213,330,520.02

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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.