Home / 687,629,964.20-1,029,177,464.70-483,556,620.20

Finding the Fourth Proportional to 687,629,964.20, 1,029,177,464.70 and 483,556,620.20

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Solution

The fourth proportional to 687,629,964.20, 1,029,177,464.70 and 483,556,620.20 is: 723,740,387.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,629,964.20 : 1,029,177,464.70 = 483,556,620.20 : x
  2. Step 2: Convert to fraction form
    687,629,964.20/1,029,177,464.70 = 483,556,620.20/x
  3. Step 3: Cross multiply
    687,629,964.20x = 1,029,177,464.70 × 483,556,620.20
  4. Step 4: Simplify right side
    687,629,964.20x = 497,665,576,416,336,832
  5. Step 5: Solve for x
    x = 497,665,576,416,336,832/687,629,964.20
  6. Step 6: Final answer
    x = 723,740,387.02

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1.5x scale

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.