Home / 454,430,469,619.20-681,645,704,428.80-206,277,283,315.20

Finding the Fourth Proportional to 454,430,469,619.20, 681,645,704,428.80 and 206,277,283,315.20

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Solution

The fourth proportional to 454,430,469,619.20, 681,645,704,428.80 and 206,277,283,315.20 is: 309,415,924,972.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,430,469,619.20 : 681,645,704,428.80 = 206,277,283,315.20 : x
  2. Step 2: Convert to fraction form
    454,430,469,619.20/681,645,704,428.80 = 206,277,283,315.20/x
  3. Step 3: Cross multiply
    454,430,469,619.20x = 681,645,704,428.80 × 206,277,283,315.20
  4. Step 4: Simplify right side
    454,430,469,619.20x = 140,608,024,093,048,677,859,328
  5. Step 5: Solve for x
    x = 140,608,024,093,048,677,859,328/454,430,469,619.20
  6. Step 6: Final answer
    x = 309,415,924,972.80

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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.