Home / 1,238,331,867.88-1,857,766,540.38-376,666,465

Finding the Fourth Proportional to 1,238,331,867.88, 1,857,766,540.38 and 376,666,465

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Solution

The fourth proportional to 1,238,331,867.88, 1,857,766,540.38 and 376,666,465 is: 565,081,440.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,331,867.88 : 1,857,766,540.38 = 376,666,465 : x
  2. Step 2: Convert to fraction form
    1,238,331,867.88/1,857,766,540.38 = 376,666,465/x
  3. Step 3: Cross multiply
    1,238,331,867.88x = 1,857,766,540.38 × 376,666,465
  4. Step 4: Simplify right side
    1,238,331,867.88x = 699,758,355,560,214,400
  5. Step 5: Solve for x
    x = 699,758,355,560,214,400/1,238,331,867.88
  6. Step 6: Final answer
    x = 565,081,440.37

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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.