Home / 624,644,917.15-862,010,067.41-346,204,416.91

Finding the Fourth Proportional to 624,644,917.15, 862,010,067.41 and 346,204,416.91

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Solution

The fourth proportional to 624,644,917.15, 862,010,067.41 and 346,204,416.91 is: 477,762,140.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,644,917.15 : 862,010,067.41 = 346,204,416.91 : x
  2. Step 2: Convert to fraction form
    624,644,917.15/862,010,067.41 = 346,204,416.91/x
  3. Step 3: Cross multiply
    624,644,917.15x = 862,010,067.41 × 346,204,416.91
  4. Step 4: Simplify right side
    624,644,917.15x = 298,431,692,756,497,856
  5. Step 5: Solve for x
    x = 298,431,692,756,497,856/624,644,917.15
  6. Step 6: Final answer
    x = 477,762,140.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.