Home / 629,857,103.60-944,785,655.40-220,765,631.60

Finding the Fourth Proportional to 629,857,103.60, 944,785,655.40 and 220,765,631.60

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Solution

The fourth proportional to 629,857,103.60, 944,785,655.40 and 220,765,631.60 is: 331,148,447.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,857,103.60 : 944,785,655.40 = 220,765,631.60 : x
  2. Step 2: Convert to fraction form
    629,857,103.60/944,785,655.40 = 220,765,631.60/x
  3. Step 3: Cross multiply
    629,857,103.60x = 944,785,655.40 × 220,765,631.60
  4. Step 4: Simplify right side
    629,857,103.60x = 208,576,201,941,000,928
  5. Step 5: Solve for x
    x = 208,576,201,941,000,928/629,857,103.60
  6. Step 6: Final answer
    x = 331,148,447.40

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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.