Home / 491,230,850.80-736,846,276.20-261,648,338.80

Finding the Fourth Proportional to 491,230,850.80, 736,846,276.20 and 261,648,338.80

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Solution

The fourth proportional to 491,230,850.80, 736,846,276.20 and 261,648,338.80 is: 392,472,508.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,230,850.80 : 736,846,276.20 = 261,648,338.80 : x
  2. Step 2: Convert to fraction form
    491,230,850.80/736,846,276.20 = 261,648,338.80/x
  3. Step 3: Cross multiply
    491,230,850.80x = 736,846,276.20 × 261,648,338.80
  4. Step 4: Simplify right side
    491,230,850.80x = 192,794,604,118,696,000
  5. Step 5: Solve for x
    x = 192,794,604,118,696,000/491,230,850.80
  6. Step 6: Final answer
    x = 392,472,508.20

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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.