Home / 463,320,984.87-639,395,445.20-272,595,315.78

Finding the Fourth Proportional to 463,320,984.87, 639,395,445.20 and 272,595,315.78

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Solution

The fourth proportional to 463,320,984.87, 639,395,445.20 and 272,595,315.78 is: 376,188,881.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,320,984.87 : 639,395,445.20 = 272,595,315.78 : x
  2. Step 2: Convert to fraction form
    463,320,984.87/639,395,445.20 = 272,595,315.78/x
  3. Step 3: Cross multiply
    463,320,984.87x = 639,395,445.20 × 272,595,315.78
  4. Step 4: Simplify right side
    463,320,984.87x = 174,296,203,291,224,704
  5. Step 5: Solve for x
    x = 174,296,203,291,224,704/463,320,984.87
  6. Step 6: Final answer
    x = 376,188,881.97

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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.