Home / 664,009,132.20-996,013,698.30-654,939,205.80

Finding the Fourth Proportional to 664,009,132.20, 996,013,698.30 and 654,939,205.80

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Solution

The fourth proportional to 664,009,132.20, 996,013,698.30 and 654,939,205.80 is: 982,408,808.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,009,132.20 : 996,013,698.30 = 654,939,205.80 : x
  2. Step 2: Convert to fraction form
    664,009,132.20/996,013,698.30 = 654,939,205.80/x
  3. Step 3: Cross multiply
    664,009,132.20x = 996,013,698.30 × 654,939,205.80
  4. Step 4: Simplify right side
    664,009,132.20x = 652,328,420,530,522,752
  5. Step 5: Solve for x
    x = 652,328,420,530,522,752/664,009,132.20
  6. Step 6: Final answer
    x = 982,408,808.70

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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.