Home / 664,303,013.40-996,454,520.10-446,624,779.80

Finding the Fourth Proportional to 664,303,013.40, 996,454,520.10 and 446,624,779.80

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Solution

The fourth proportional to 664,303,013.40, 996,454,520.10 and 446,624,779.80 is: 669,937,169.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,303,013.40 : 996,454,520.10 = 446,624,779.80 : x
  2. Step 2: Convert to fraction form
    664,303,013.40/996,454,520.10 = 446,624,779.80/x
  3. Step 3: Cross multiply
    664,303,013.40x = 996,454,520.10 × 446,624,779.80
  4. Step 4: Simplify right side
    664,303,013.40x = 445,041,280,620,377,216
  5. Step 5: Solve for x
    x = 445,041,280,620,377,216/664,303,013.40
  6. Step 6: Final answer
    x = 669,937,169.70

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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.