Home / 328,965,489.60-493,448,234.40-264,395,408.10

Finding the Fourth Proportional to 328,965,489.60, 493,448,234.40 and 264,395,408.10

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Solution

The fourth proportional to 328,965,489.60, 493,448,234.40 and 264,395,408.10 is: 396,593,112.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,965,489.60 : 493,448,234.40 = 264,395,408.10 : x
  2. Step 2: Convert to fraction form
    328,965,489.60/493,448,234.40 = 264,395,408.10/x
  3. Step 3: Cross multiply
    328,965,489.60x = 493,448,234.40 × 264,395,408.10
  4. Step 4: Simplify right side
    328,965,489.60x = 130,465,447,310,412,448
  5. Step 5: Solve for x
    x = 130,465,447,310,412,448/328,965,489.60
  6. Step 6: Final answer
    x = 396,593,112.15

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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.