Home / 419,904,421.60-629,856,632.40-226,412,658.40

Finding the Fourth Proportional to 419,904,421.60, 629,856,632.40 and 226,412,658.40

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Solution

The fourth proportional to 419,904,421.60, 629,856,632.40 and 226,412,658.40 is: 339,618,987.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,904,421.60 : 629,856,632.40 = 226,412,658.40 : x
  2. Step 2: Convert to fraction form
    419,904,421.60/629,856,632.40 = 226,412,658.40/x
  3. Step 3: Cross multiply
    419,904,421.60x = 629,856,632.40 × 226,412,658.40
  4. Step 4: Simplify right side
    419,904,421.60x = 142,607,514,552,555,568
  5. Step 5: Solve for x
    x = 142,607,514,552,555,568/419,904,421.60
  6. Step 6: Final answer
    x = 339,618,987.60

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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.