Home / 435,491,346.30-653,237,019.45-290,372,523.90

Finding the Fourth Proportional to 435,491,346.30, 653,237,019.45 and 290,372,523.90

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Solution

The fourth proportional to 435,491,346.30, 653,237,019.45 and 290,372,523.90 is: 435,558,785.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,491,346.30 : 653,237,019.45 = 290,372,523.90 : x
  2. Step 2: Convert to fraction form
    435,491,346.30/653,237,019.45 = 290,372,523.90/x
  3. Step 3: Cross multiply
    435,491,346.30x = 653,237,019.45 × 290,372,523.90
  4. Step 4: Simplify right side
    435,491,346.30x = 189,682,082,042,609,888
  5. Step 5: Solve for x
    x = 189,682,082,042,609,888/435,491,346.30
  6. Step 6: Final answer
    x = 435,558,785.85

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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.