Home / 1,238,331,768.63-1,857,766,391.51-376,666,365.75

Finding the Fourth Proportional to 1,238,331,768.63, 1,857,766,391.51 and 376,666,365.75

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Solution

The fourth proportional to 1,238,331,768.63, 1,857,766,391.51 and 376,666,365.75 is: 565,081,291.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,331,768.63 : 1,857,766,391.51 = 376,666,365.75 : x
  2. Step 2: Convert to fraction form
    1,238,331,768.63/1,857,766,391.51 = 376,666,365.75/x
  3. Step 3: Cross multiply
    1,238,331,768.63x = 1,857,766,391.51 × 376,666,365.75
  4. Step 4: Simplify right side
    1,238,331,768.63x = 699,758,115,100,680,064
  5. Step 5: Solve for x
    x = 699,758,115,100,680,064/1,238,331,768.63
  6. Step 6: Final answer
    x = 565,081,291.48

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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.