Home / 463,320,966.08-639,395,419.22-272,595,296.90

Finding the Fourth Proportional to 463,320,966.08, 639,395,419.22 and 272,595,296.90

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Solution

The fourth proportional to 463,320,966.08, 639,395,419.22 and 272,595,296.90 is: 376,188,855.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,320,966.08 : 639,395,419.22 = 272,595,296.90 : x
  2. Step 2: Convert to fraction form
    463,320,966.08/639,395,419.22 = 272,595,296.90/x
  3. Step 3: Cross multiply
    463,320,966.08x = 639,395,419.22 × 272,595,296.90
  4. Step 4: Simplify right side
    463,320,966.08x = 174,296,184,138,775,872
  5. Step 5: Solve for x
    x = 174,296,184,138,775,872/463,320,966.08
  6. Step 6: Final answer
    x = 376,188,855.89

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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.