Home / 437,179,820.40-655,349,826.60-252,757,983.60

Finding the Fourth Proportional to 437,179,820.40, 655,349,826.60 and 252,757,983.60

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Solution

The fourth proportional to 437,179,820.40, 655,349,826.60 and 252,757,983.60 is: 378,894,205.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,179,820.40 : 655,349,826.60 = 252,757,983.60 : x
  2. Step 2: Convert to fraction form
    437,179,820.40/655,349,826.60 = 252,757,983.60/x
  3. Step 3: Cross multiply
    437,179,820.40x = 655,349,826.60 × 252,757,983.60
  4. Step 4: Simplify right side
    437,179,820.40x = 165,644,900,724,025,632
  5. Step 5: Solve for x
    x = 165,644,900,724,025,632/437,179,820.40
  6. Step 6: Final answer
    x = 378,894,205.53

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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.