Home / 629,530,380.20-944,295,570.30-220,533,386.60

Finding the Fourth Proportional to 629,530,380.20, 944,295,570.30 and 220,533,386.60

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Solution

The fourth proportional to 629,530,380.20, 944,295,570.30 and 220,533,386.60 is: 330,800,079.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,530,380.20 : 944,295,570.30 = 220,533,386.60 : x
  2. Step 2: Convert to fraction form
    629,530,380.20/944,295,570.30 = 220,533,386.60/x
  3. Step 3: Cross multiply
    629,530,380.20x = 944,295,570.30 × 220,533,386.60
  4. Step 4: Simplify right side
    629,530,380.20x = 208,248,700,069,637,376
  5. Step 5: Solve for x
    x = 208,248,700,069,637,376/629,530,380.20
  6. Step 6: Final answer
    x = 330,800,079.90

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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.