Home / 443,234,017.20-664,851,025.80-259,568,007.60

Finding the Fourth Proportional to 443,234,017.20, 664,851,025.80 and 259,568,007.60

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Solution

The fourth proportional to 443,234,017.20, 664,851,025.80 and 259,568,007.60 is: 389,352,011.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,234,017.20 : 664,851,025.80 = 259,568,007.60 : x
  2. Step 2: Convert to fraction form
    443,234,017.20/664,851,025.80 = 259,568,007.60/x
  3. Step 3: Cross multiply
    443,234,017.20x = 664,851,025.80 × 259,568,007.60
  4. Step 4: Simplify right side
    443,234,017.20x = 172,574,056,117,722,176
  5. Step 5: Solve for x
    x = 172,574,056,117,722,176/443,234,017.20
  6. Step 6: Final answer
    x = 389,352,011.40

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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.