Home / 13,426,264,815.09-20,135,962,079.33-3,980,699,945.37

Finding the Fourth Proportional to 13,426,264,815.09, 20,135,962,079.33 and 3,980,699,945.37

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Solution

The fourth proportional to 13,426,264,815.09, 20,135,962,079.33 and 3,980,699,945.37 is: 5,970,031,446.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,426,264,815.09 : 20,135,962,079.33 = 3,980,699,945.37 : x
  2. Step 2: Convert to fraction form
    13,426,264,815.09/20,135,962,079.33 = 3,980,699,945.37/x
  3. Step 3: Cross multiply
    13,426,264,815.09x = 20,135,962,079.33 × 3,980,699,945.37
  4. Step 4: Simplify right side
    13,426,264,815.09x = 80,155,223,149,141,426,176
  5. Step 5: Solve for x
    x = 80,155,223,149,141,426,176/13,426,264,815.09
  6. Step 6: Final answer
    x = 5,970,031,446.05

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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.