Home / 1,294,808,667.21-1,786,428,029.70-792,493,789.77

Finding the Fourth Proportional to 1,294,808,667.21, 1,786,428,029.70 and 792,493,789.77

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Solution

The fourth proportional to 1,294,808,667.21, 1,786,428,029.70 and 792,493,789.77 is: 1,093,391,753.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,808,667.21 : 1,786,428,029.70 = 792,493,789.77 : x
  2. Step 2: Convert to fraction form
    1,294,808,667.21/1,786,428,029.70 = 792,493,789.77/x
  3. Step 3: Cross multiply
    1,294,808,667.21x = 1,786,428,029.70 × 792,493,789.77
  4. Step 4: Simplify right side
    1,294,808,667.21x = 1,415,733,119,408,307,200
  5. Step 5: Solve for x
    x = 1,415,733,119,408,307,200/1,294,808,667.21
  6. Step 6: Final answer
    x = 1,093,391,753.75

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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.