Home / 354,108,726.69-488,647,922.80-195,340,686.03

Finding the Fourth Proportional to 354,108,726.69, 488,647,922.80 and 195,340,686.03

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Solution

The fourth proportional to 354,108,726.69, 488,647,922.80 and 195,340,686.03 is: 269,557,944.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,108,726.69 : 488,647,922.80 = 195,340,686.03 : x
  2. Step 2: Convert to fraction form
    354,108,726.69/488,647,922.80 = 195,340,686.03/x
  3. Step 3: Cross multiply
    354,108,726.69x = 488,647,922.80 × 195,340,686.03
  4. Step 4: Simplify right side
    354,108,726.69x = 95,452,820,466,886,480
  5. Step 5: Solve for x
    x = 95,452,820,466,886,480/354,108,726.69
  6. Step 6: Final answer
    x = 269,557,944.42

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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.