Home / 3,782,985,311.79-5,220,842,423.00-2,112,557,161.23

Finding the Fourth Proportional to 3,782,985,311.79, 5,220,842,423.00 and 2,112,557,161.23

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Solution

The fourth proportional to 3,782,985,311.79, 5,220,842,423.00 and 2,112,557,161.23 is: 2,915,509,085.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,782,985,311.79 : 5,220,842,423.00 = 2,112,557,161.23 : x
  2. Step 2: Convert to fraction form
    3,782,985,311.79/5,220,842,423.00 = 2,112,557,161.23/x
  3. Step 3: Cross multiply
    3,782,985,311.79x = 5,220,842,423.00 × 2,112,557,161.23
  4. Step 4: Simplify right side
    3,782,985,311.79x = 11,029,328,048,351,471,616
  5. Step 5: Solve for x
    x = 11,029,328,048,351,471,616/3,782,985,311.79
  6. Step 6: Final answer
    x = 2,915,509,085.90

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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.