Home / 323,567,998.80-485,351,998.20-119,053,755.60

Finding the Fourth Proportional to 323,567,998.80, 485,351,998.20 and 119,053,755.60

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Solution

The fourth proportional to 323,567,998.80, 485,351,998.20 and 119,053,755.60 is: 178,580,633.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,567,998.80 : 485,351,998.20 = 119,053,755.60 : x
  2. Step 2: Convert to fraction form
    323,567,998.80/485,351,998.20 = 119,053,755.60/x
  3. Step 3: Cross multiply
    323,567,998.80x = 485,351,998.20 × 119,053,755.60
  4. Step 4: Simplify right side
    323,567,998.80x = 57,782,978,173,674,432
  5. Step 5: Solve for x
    x = 57,782,978,173,674,432/323,567,998.80
  6. Step 6: Final answer
    x = 178,580,633.40

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1.5x scale

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.