Home / 1,157,965,043.40-1,598,004,103.05-629,329,067.73

Finding the Fourth Proportional to 1,157,965,043.40, 1,598,004,103.05 and 629,329,067.73

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Solution

The fourth proportional to 1,157,965,043.40, 1,598,004,103.05 and 629,329,067.73 is: 868,480,821.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,157,965,043.40 : 1,598,004,103.05 = 629,329,067.73 : x
  2. Step 2: Convert to fraction form
    1,157,965,043.40/1,598,004,103.05 = 629,329,067.73/x
  3. Step 3: Cross multiply
    1,157,965,043.40x = 1,598,004,103.05 × 629,329,067.73
  4. Step 4: Simplify right side
    1,157,965,043.40x = 1,005,670,432,401,171,328
  5. Step 5: Solve for x
    x = 1,005,670,432,401,171,328/1,157,965,043.40
  6. Step 6: Final answer
    x = 868,480,821.71

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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.