Home / 629,857,693.60-944,786,540.40-220,766,221.60

Finding the Fourth Proportional to 629,857,693.60, 944,786,540.40 and 220,766,221.60

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Solution

The fourth proportional to 629,857,693.60, 944,786,540.40 and 220,766,221.60 is: 331,149,332.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,857,693.60 : 944,786,540.40 = 220,766,221.60 : x
  2. Step 2: Convert to fraction form
    629,857,693.60/944,786,540.40 = 220,766,221.60/x
  3. Step 3: Cross multiply
    629,857,693.60x = 944,786,540.40 × 220,766,221.60
  4. Step 4: Simplify right side
    629,857,693.60x = 208,576,954,742,643,744
  5. Step 5: Solve for x
    x = 208,576,954,742,643,744/629,857,693.60
  6. Step 6: Final answer
    x = 331,149,332.40

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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.