Home / 291,168,469.80-436,752,704.70-268,997,538.60

Finding the Fourth Proportional to 291,168,469.80, 436,752,704.70 and 268,997,538.60

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Solution

The fourth proportional to 291,168,469.80, 436,752,704.70 and 268,997,538.60 is: 403,496,307.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,168,469.80 : 436,752,704.70 = 268,997,538.60 : x
  2. Step 2: Convert to fraction form
    291,168,469.80/436,752,704.70 = 268,997,538.60/x
  3. Step 3: Cross multiply
    291,168,469.80x = 436,752,704.70 × 268,997,538.60
  4. Step 4: Simplify right side
    291,168,469.80x = 117,485,402,541,192,656
  5. Step 5: Solve for x
    x = 117,485,402,541,192,656/291,168,469.80
  6. Step 6: Final answer
    x = 403,496,307.90

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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.