Home / 441,493,380.80-661,673,200.80-338,748,120.80

Finding the Fourth Proportional to 441,493,380.80, 661,673,200.80 and 338,748,120.80

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Solution

The fourth proportional to 441,493,380.80, 661,673,200.80 and 338,748,120.80 is: 507,687,234.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,493,380.80 : 661,673,200.80 = 338,748,120.80 : x
  2. Step 2: Convert to fraction form
    441,493,380.80/661,673,200.80 = 338,748,120.80/x
  3. Step 3: Cross multiply
    441,493,380.80x = 661,673,200.80 × 338,748,120.80
  4. Step 4: Simplify right side
    441,493,380.80x = 224,140,553,354,721,056
  5. Step 5: Solve for x
    x = 224,140,553,354,721,056/441,493,380.80
  6. Step 6: Final answer
    x = 507,687,234.06

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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.