Home / 13,131,389,984.85-19,698,295,845.33-4,288,275,184.26

Finding the Fourth Proportional to 13,131,389,984.85, 19,698,295,845.33 and 4,288,275,184.26

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Solution

The fourth proportional to 13,131,389,984.85, 19,698,295,845.33 and 4,288,275,184.26 is: 6,432,808,205.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,131,389,984.85 : 19,698,295,845.33 = 4,288,275,184.26 : x
  2. Step 2: Convert to fraction form
    13,131,389,984.85/19,698,295,845.33 = 4,288,275,184.26/x
  3. Step 3: Cross multiply
    13,131,389,984.85x = 19,698,295,845.33 × 4,288,275,184.26
  4. Step 4: Simplify right side
    13,131,389,984.85x = 84,471,713,245,740,515,328
  5. Step 5: Solve for x
    x = 84,471,713,245,740,515,328/13,131,389,984.85
  6. Step 6: Final answer
    x = 6,432,808,205.62

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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.