Home / 1,485,132,890.92-2,049,363,408.66-858,641,692.36

Finding the Fourth Proportional to 1,485,132,890.92, 2,049,363,408.66 and 858,641,692.36

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Solution

The fourth proportional to 1,485,132,890.92, 2,049,363,408.66 and 858,641,692.36 is: 1,184,856,167.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,485,132,890.92 : 2,049,363,408.66 = 858,641,692.36 : x
  2. Step 2: Convert to fraction form
    1,485,132,890.92/2,049,363,408.66 = 858,641,692.36/x
  3. Step 3: Cross multiply
    1,485,132,890.92x = 2,049,363,408.66 × 858,641,692.36
  4. Step 4: Simplify right side
    1,485,132,890.92x = 1,759,668,865,472,480,768
  5. Step 5: Solve for x
    x = 1,759,668,865,472,480,768/1,485,132,890.92
  6. Step 6: Final answer
    x = 1,184,856,167.57

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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.