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Finding the Fourth Proportional to 595,396,760.58, 821,648,205.14 and 331,073,078.31

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Solution

The fourth proportional to 595,396,760.58, 821,648,205.14 and 331,073,078.31 is: 456,881,223.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    595,396,760.58 : 821,648,205.14 = 331,073,078.31 : x
  2. Step 2: Convert to fraction form
    595,396,760.58/821,648,205.14 = 331,073,078.31/x
  3. Step 3: Cross multiply
    595,396,760.58x = 821,648,205.14 × 331,073,078.31
  4. Step 4: Simplify right side
    595,396,760.58x = 272,025,600,561,930,784
  5. Step 5: Solve for x
    x = 272,025,600,561,930,784/595,396,760.58
  6. Step 6: Final answer
    x = 456,881,223.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.