Home / 1,189,010,472.03-1,783,735,092.09-391,372,667.73

Finding the Fourth Proportional to 1,189,010,472.03, 1,783,735,092.09 and 391,372,667.73

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Solution

The fourth proportional to 1,189,010,472.03, 1,783,735,092.09 and 391,372,667.73 is: 587,131,213.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,189,010,472.03 : 1,783,735,092.09 = 391,372,667.73 : x
  2. Step 2: Convert to fraction form
    1,189,010,472.03/1,783,735,092.09 = 391,372,667.73/x
  3. Step 3: Cross multiply
    1,189,010,472.03x = 1,783,735,092.09 × 391,372,667.73
  4. Step 4: Simplify right side
    1,189,010,472.03x = 698,105,161,514,880,512
  5. Step 5: Solve for x
    x = 698,105,161,514,880,512/1,189,010,472.03
  6. Step 6: Final answer
    x = 587,131,213.67

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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.