Home / 664,303,009.40-996,454,514.10-446,624,775.80

Finding the Fourth Proportional to 664,303,009.40, 996,454,514.10 and 446,624,775.80

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Solution

The fourth proportional to 664,303,009.40, 996,454,514.10 and 446,624,775.80 is: 669,937,163.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,303,009.40 : 996,454,514.10 = 446,624,775.80 : x
  2. Step 2: Convert to fraction form
    664,303,009.40/996,454,514.10 = 446,624,775.80/x
  3. Step 3: Cross multiply
    664,303,009.40x = 996,454,514.10 × 446,624,775.80
  4. Step 4: Simplify right side
    664,303,009.40x = 445,041,273,954,810,432
  5. Step 5: Solve for x
    x = 445,041,273,954,810,432/664,303,009.40
  6. Step 6: Final answer
    x = 669,937,163.70

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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.