Home / 388,171,017,301.74-582,285,801,824.73-115,873,767,305.34

Finding the Fourth Proportional to 388,171,017,301.74, 582,285,801,824.73 and 115,873,767,305.34

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Solution

The fourth proportional to 388,171,017,301.74, 582,285,801,824.73 and 115,873,767,305.34 is: 173,819,390,161.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,171,017,301.74 : 582,285,801,824.73 = 115,873,767,305.34 : x
  2. Step 2: Convert to fraction form
    388,171,017,301.74/582,285,801,824.73 = 115,873,767,305.34/x
  3. Step 3: Cross multiply
    388,171,017,301.74x = 582,285,801,824.73 × 115,873,767,305.34
  4. Step 4: Simplify right side
    388,171,017,301.74x = 67,471,649,505,842,078,679,040
  5. Step 5: Solve for x
    x = 67,471,649,505,842,078,679,040/388,171,017,301.74
  6. Step 6: Final answer
    x = 173,819,390,161.72

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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.