Home / 13,426,264,814.43-20,135,962,078.35-3,980,699,944.71

Finding the Fourth Proportional to 13,426,264,814.43, 20,135,962,078.35 and 3,980,699,944.71

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Solution

The fourth proportional to 13,426,264,814.43, 20,135,962,078.35 and 3,980,699,944.71 is: 5,970,031,445.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,426,264,814.43 : 20,135,962,078.35 = 3,980,699,944.71 : x
  2. Step 2: Convert to fraction form
    13,426,264,814.43/20,135,962,078.35 = 3,980,699,944.71/x
  3. Step 3: Cross multiply
    13,426,264,814.43x = 20,135,962,078.35 × 3,980,699,944.71
  4. Step 4: Simplify right side
    13,426,264,814.43x = 80,155,223,132,004,777,984
  5. Step 5: Solve for x
    x = 80,155,223,132,004,777,984/13,426,264,814.43
  6. Step 6: Final answer
    x = 5,970,031,445.07

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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.