Home / 436,747,622.72-655,446,804-320,463,465.44

Finding the Fourth Proportional to 436,747,622.72, 655,446,804 and 320,463,465.44

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Solution

The fourth proportional to 436,747,622.72, 655,446,804 and 320,463,465.44 is: 480,933,938.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,747,622.72 : 655,446,804 = 320,463,465.44 : x
  2. Step 2: Convert to fraction form
    436,747,622.72/655,446,804 = 320,463,465.44/x
  3. Step 3: Cross multiply
    436,747,622.72x = 655,446,804 × 320,463,465.44
  4. Step 4: Simplify right side
    436,747,622.72x = 210,046,754,221,412,448
  5. Step 5: Solve for x
    x = 210,046,754,221,412,448/436,747,622.72
  6. Step 6: Final answer
    x = 480,933,938.26

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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.