Home / 463,320,967.08-639,395,420.60-272,595,297.90

Finding the Fourth Proportional to 463,320,967.08, 639,395,420.60 and 272,595,297.90

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Solution

The fourth proportional to 463,320,967.08, 639,395,420.60 and 272,595,297.90 is: 376,188,857.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,320,967.08 : 639,395,420.60 = 272,595,297.90 : x
  2. Step 2: Convert to fraction form
    463,320,967.08/639,395,420.60 = 272,595,297.90/x
  3. Step 3: Cross multiply
    463,320,967.08x = 639,395,420.60 × 272,595,297.90
  4. Step 4: Simplify right side
    463,320,967.08x = 174,296,185,154,352,800
  5. Step 5: Solve for x
    x = 174,296,185,154,352,800/463,320,967.08
  6. Step 6: Final answer
    x = 376,188,857.27

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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.