Home / 436,206,972.80-654,310,459.20-400,494,137.60

Finding the Fourth Proportional to 436,206,972.80, 654,310,459.20 and 400,494,137.60

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Solution

The fourth proportional to 436,206,972.80, 654,310,459.20 and 400,494,137.60 is: 600,741,206.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,206,972.80 : 654,310,459.20 = 400,494,137.60 : x
  2. Step 2: Convert to fraction form
    436,206,972.80/654,310,459.20 = 400,494,137.60/x
  3. Step 3: Cross multiply
    436,206,972.80x = 654,310,459.20 × 400,494,137.60
  4. Step 4: Simplify right side
    436,206,972.80x = 262,047,503,079,964,032
  5. Step 5: Solve for x
    x = 262,047,503,079,964,032/436,206,972.80
  6. Step 6: Final answer
    x = 600,741,206.40

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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.