Home / 379,334,568.44-523,493,205.33-212,077,876.82

Finding the Fourth Proportional to 379,334,568.44, 523,493,205.33 and 212,077,876.82

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Solution

The fourth proportional to 379,334,568.44, 523,493,205.33 and 212,077,876.82 is: 292,673,899.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,334,568.44 : 523,493,205.33 = 212,077,876.82 : x
  2. Step 2: Convert to fraction form
    379,334,568.44/523,493,205.33 = 212,077,876.82/x
  3. Step 3: Cross multiply
    379,334,568.44x = 523,493,205.33 × 212,077,876.82
  4. Step 4: Simplify right side
    379,334,568.44x = 111,021,327,513,465,232
  5. Step 5: Solve for x
    x = 111,021,327,513,465,232/379,334,568.44
  6. Step 6: Final answer
    x = 292,673,899.91

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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.