Home / 470,062,032.80-705,093,049.20-422,444,919.20

Finding the Fourth Proportional to 470,062,032.80, 705,093,049.20 and 422,444,919.20

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Solution

The fourth proportional to 470,062,032.80, 705,093,049.20 and 422,444,919.20 is: 633,667,378.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,062,032.80 : 705,093,049.20 = 422,444,919.20 : x
  2. Step 2: Convert to fraction form
    470,062,032.80/705,093,049.20 = 422,444,919.20/x
  3. Step 3: Cross multiply
    470,062,032.80x = 705,093,049.20 × 422,444,919.20
  4. Step 4: Simplify right side
    470,062,032.80x = 297,862,976,197,775,616
  5. Step 5: Solve for x
    x = 297,862,976,197,775,616/470,062,032.80
  6. Step 6: Final answer
    x = 633,667,378.80

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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.