Home / 1,238,331,866.88-1,857,766,538.88-376,666,464

Finding the Fourth Proportional to 1,238,331,866.88, 1,857,766,538.88 and 376,666,464

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Solution

The fourth proportional to 1,238,331,866.88, 1,857,766,538.88 and 376,666,464 is: 565,081,438.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,331,866.88 : 1,857,766,538.88 = 376,666,464 : x
  2. Step 2: Convert to fraction form
    1,238,331,866.88/1,857,766,538.88 = 376,666,464/x
  3. Step 3: Cross multiply
    1,238,331,866.88x = 1,857,766,538.88 × 376,666,464
  4. Step 4: Simplify right side
    1,238,331,866.88x = 699,758,353,137,448,192
  5. Step 5: Solve for x
    x = 699,758,353,137,448,192/1,238,331,866.88
  6. Step 6: Final answer
    x = 565,081,438.87

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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.