Home / 458,082,784.44-687,769,877.46-328,619,820.24

Finding the Fourth Proportional to 458,082,784.44, 687,769,877.46 and 328,619,820.24

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Solution

The fourth proportional to 458,082,784.44, 687,769,877.46 and 328,619,820.24 is: 493,392,943.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,082,784.44 : 687,769,877.46 = 328,619,820.24 : x
  2. Step 2: Convert to fraction form
    458,082,784.44/687,769,877.46 = 328,619,820.24/x
  3. Step 3: Cross multiply
    458,082,784.44x = 687,769,877.46 × 328,619,820.24
  4. Step 4: Simplify right side
    458,082,784.44x = 226,014,813,497,392,032
  5. Step 5: Solve for x
    x = 226,014,813,497,392,032/458,082,784.44
  6. Step 6: Final answer
    x = 493,392,943.75

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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.