Home / 424,140,906.40-636,211,359.60-220,067,562.40

Finding the Fourth Proportional to 424,140,906.40, 636,211,359.60 and 220,067,562.40

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Solution

The fourth proportional to 424,140,906.40, 636,211,359.60 and 220,067,562.40 is: 330,101,343.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,140,906.40 : 636,211,359.60 = 220,067,562.40 : x
  2. Step 2: Convert to fraction form
    424,140,906.40/636,211,359.60 = 220,067,562.40/x
  3. Step 3: Cross multiply
    424,140,906.40x = 636,211,359.60 × 220,067,562.40
  4. Step 4: Simplify right side
    424,140,906.40x = 140,009,483,078,361,856
  5. Step 5: Solve for x
    x = 140,009,483,078,361,856/424,140,906.40
  6. Step 6: Final answer
    x = 330,101,343.60

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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.