Home / 436,589,745.30-655,203,482.55-307,449,582.30

Finding the Fourth Proportional to 436,589,745.30, 655,203,482.55 and 307,449,582.30

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Solution

The fourth proportional to 436,589,745.30, 655,203,482.55 and 307,449,582.30 is: 461,398,920.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,589,745.30 : 655,203,482.55 = 307,449,582.30 : x
  2. Step 2: Convert to fraction form
    436,589,745.30/655,203,482.55 = 307,449,582.30/x
  3. Step 3: Cross multiply
    436,589,745.30x = 655,203,482.55 × 307,449,582.30
  4. Step 4: Simplify right side
    436,589,745.30x = 201,442,037,031,502,848
  5. Step 5: Solve for x
    x = 201,442,037,031,502,848/436,589,745.30
  6. Step 6: Final answer
    x = 461,398,920.15

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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.