Home / 376,196,984.89-519,158,257.41-206,658,371.59

Finding the Fourth Proportional to 376,196,984.89, 519,158,257.41 and 206,658,371.59

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Solution

The fourth proportional to 376,196,984.89, 519,158,257.41 and 206,658,371.59 is: 285,192,078.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,196,984.89 : 519,158,257.41 = 206,658,371.59 : x
  2. Step 2: Convert to fraction form
    376,196,984.89/519,158,257.41 = 206,658,371.59/x
  3. Step 3: Cross multiply
    376,196,984.89x = 519,158,257.41 × 206,658,371.59
  4. Step 4: Simplify right side
    376,196,984.89x = 107,288,400,073,852,656
  5. Step 5: Solve for x
    x = 107,288,400,073,852,656/376,196,984.89
  6. Step 6: Final answer
    x = 285,192,078.57

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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.