Home / 617,623,172.20-926,434,758.30-208,673,417.80

Finding the Fourth Proportional to 617,623,172.20, 926,434,758.30 and 208,673,417.80

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Solution

The fourth proportional to 617,623,172.20, 926,434,758.30 and 208,673,417.80 is: 313,010,126.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,623,172.20 : 926,434,758.30 = 208,673,417.80 : x
  2. Step 2: Convert to fraction form
    617,623,172.20/926,434,758.30 = 208,673,417.80/x
  3. Step 3: Cross multiply
    617,623,172.20x = 926,434,758.30 × 208,673,417.80
  4. Step 4: Simplify right side
    617,623,172.20x = 193,322,307,383,177,920
  5. Step 5: Solve for x
    x = 193,322,307,383,177,920/617,623,172.20
  6. Step 6: Final answer
    x = 313,010,126.70

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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.