Home / 470,480,057.18-705,627,083.43-447,148,025.81

Finding the Fourth Proportional to 470,480,057.18, 705,627,083.43 and 447,148,025.81

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Solution

The fourth proportional to 470,480,057.18, 705,627,083.43 and 447,148,025.81 is: 670,633,648.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,480,057.18 : 705,627,083.43 = 447,148,025.81 : x
  2. Step 2: Convert to fraction form
    470,480,057.18/705,627,083.43 = 447,148,025.81/x
  3. Step 3: Cross multiply
    470,480,057.18x = 705,627,083.43 × 447,148,025.81
  4. Step 4: Simplify right side
    470,480,057.18x = 315,519,757,310,264,512
  5. Step 5: Solve for x
    x = 315,519,757,310,264,512/470,480,057.18
  6. Step 6: Final answer
    x = 670,633,648.54

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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.