Home / 436,467,120.72-603,112,515.40-310,801,146.54

Finding the Fourth Proportional to 436,467,120.72, 603,112,515.40 and 310,801,146.54

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Solution

The fourth proportional to 436,467,120.72, 603,112,515.40 and 310,801,146.54 is: 429,466,625.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,467,120.72 : 603,112,515.40 = 310,801,146.54 : x
  2. Step 2: Convert to fraction form
    436,467,120.72/603,112,515.40 = 310,801,146.54/x
  3. Step 3: Cross multiply
    436,467,120.72x = 603,112,515.40 × 310,801,146.54
  4. Step 4: Simplify right side
    436,467,120.72x = 187,448,061,278,943,424
  5. Step 5: Solve for x
    x = 187,448,061,278,943,424/436,467,120.72
  6. Step 6: Final answer
    x = 429,466,625.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.