Home / 645,150,145.60-967,105,903.20-214,106,766.40

Finding the Fourth Proportional to 645,150,145.60, 967,105,903.20 and 214,106,766.40

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Solution

The fourth proportional to 645,150,145.60, 967,105,903.20 and 214,106,766.40 is: 320,954,616.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,150,145.60 : 967,105,903.20 = 214,106,766.40 : x
  2. Step 2: Convert to fraction form
    645,150,145.60/967,105,903.20 = 214,106,766.40/x
  3. Step 3: Cross multiply
    645,150,145.60x = 967,105,903.20 × 214,106,766.40
  4. Step 4: Simplify right side
    645,150,145.60x = 207,063,917,700,503,424
  5. Step 5: Solve for x
    x = 207,063,917,700,503,424/645,150,145.60
  6. Step 6: Final answer
    x = 320,954,616.71

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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.