Home / 455,436,172.80-683,154,259.20-225,853,660.80

Finding the Fourth Proportional to 455,436,172.80, 683,154,259.20 and 225,853,660.80

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Solution

The fourth proportional to 455,436,172.80, 683,154,259.20 and 225,853,660.80 is: 338,780,491.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,436,172.80 : 683,154,259.20 = 225,853,660.80 : x
  2. Step 2: Convert to fraction form
    455,436,172.80/683,154,259.20 = 225,853,660.80/x
  3. Step 3: Cross multiply
    455,436,172.80x = 683,154,259.20 × 225,853,660.80
  4. Step 4: Simplify right side
    455,436,172.80x = 154,292,890,331,432,096
  5. Step 5: Solve for x
    x = 154,292,890,331,432,096/455,436,172.80
  6. Step 6: Final answer
    x = 338,780,491.20

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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.