Home / 470,062,025.80-705,093,038.70-422,444,912.20

Finding the Fourth Proportional to 470,062,025.80, 705,093,038.70 and 422,444,912.20

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Solution

The fourth proportional to 470,062,025.80, 705,093,038.70 and 422,444,912.20 is: 633,667,368.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,062,025.80 : 705,093,038.70 = 422,444,912.20 : x
  2. Step 2: Convert to fraction form
    470,062,025.80/705,093,038.70 = 422,444,912.20/x
  3. Step 3: Cross multiply
    470,062,025.80x = 705,093,038.70 × 422,444,912.20
  4. Step 4: Simplify right side
    470,062,025.80x = 297,862,966,826,452,736
  5. Step 5: Solve for x
    x = 297,862,966,826,452,736/470,062,025.80
  6. Step 6: Final answer
    x = 633,667,368.30

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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.