Home / 424,339,236.80-636,508,855.20-322,302,564.80

Finding the Fourth Proportional to 424,339,236.80, 636,508,855.20 and 322,302,564.80

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Solution

The fourth proportional to 424,339,236.80, 636,508,855.20 and 322,302,564.80 is: 483,453,847.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,339,236.80 : 636,508,855.20 = 322,302,564.80 : x
  2. Step 2: Convert to fraction form
    424,339,236.80/636,508,855.20 = 322,302,564.80/x
  3. Step 3: Cross multiply
    424,339,236.80x = 636,508,855.20 × 322,302,564.80
  4. Step 4: Simplify right side
    424,339,236.80x = 205,148,436,548,871,840
  5. Step 5: Solve for x
    x = 205,148,436,548,871,840/424,339,236.80
  6. Step 6: Final answer
    x = 483,453,847.20

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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.