Home / 510,275,139.24-764,790,878.94-264,496,273.96

Finding the Fourth Proportional to 510,275,139.24, 764,790,878.94 and 264,496,273.96

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Solution

The fourth proportional to 510,275,139.24, 764,790,878.94 and 264,496,273.96 is: 396,422,091.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,275,139.24 : 764,790,878.94 = 264,496,273.96 : x
  2. Step 2: Convert to fraction form
    510,275,139.24/764,790,878.94 = 264,496,273.96/x
  3. Step 3: Cross multiply
    510,275,139.24x = 764,790,878.94 × 264,496,273.96
  4. Step 4: Simplify right side
    510,275,139.24x = 202,284,337,838,223,456
  5. Step 5: Solve for x
    x = 202,284,337,838,223,456/510,275,139.24
  6. Step 6: Final answer
    x = 396,422,091.30

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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.