Home / 436,961,928.70-655,442,893.05-178,036,000.30

Finding the Fourth Proportional to 436,961,928.70, 655,442,893.05 and 178,036,000.30

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Solution

The fourth proportional to 436,961,928.70, 655,442,893.05 and 178,036,000.30 is: 267,054,000.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,961,928.70 : 655,442,893.05 = 178,036,000.30 : x
  2. Step 2: Convert to fraction form
    436,961,928.70/655,442,893.05 = 178,036,000.30/x
  3. Step 3: Cross multiply
    436,961,928.70x = 655,442,893.05 × 178,036,000.30
  4. Step 4: Simplify right side
    436,961,928.70x = 116,692,431,103,682,672
  5. Step 5: Solve for x
    x = 116,692,431,103,682,672/436,961,928.70
  6. Step 6: Final answer
    x = 267,054,000.45

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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.