Home / 510,274,939.21-764,790,579-264,496,073.83

Finding the Fourth Proportional to 510,274,939.21, 764,790,579 and 264,496,073.83

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Solution

The fourth proportional to 510,274,939.21, 764,790,579 and 264,496,073.83 is: 396,421,791.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,274,939.21 : 764,790,579 = 264,496,073.83 : x
  2. Step 2: Convert to fraction form
    510,274,939.21/764,790,579 = 264,496,073.83/x
  3. Step 3: Cross multiply
    510,274,939.21x = 764,790,579 × 264,496,073.83
  4. Step 4: Simplify right side
    510,274,939.21x = 202,284,105,445,760,448
  5. Step 5: Solve for x
    x = 202,284,105,445,760,448/510,274,939.21
  6. Step 6: Final answer
    x = 396,421,791.28

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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.