Home / 1,153,171,508,512.90-1,728,546,413,353.90-387,994,009,778.40

Finding the Fourth Proportional to 1,153,171,508,512.90, 1,728,546,413,353.90 and 387,994,009,778.40

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Solution

The fourth proportional to 1,153,171,508,512.90, 1,728,546,413,353.90 and 387,994,009,778.40 is: 581,583,614,453.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,153,171,508,512.90 : 1,728,546,413,353.90 = 387,994,009,778.40 : x
  2. Step 2: Convert to fraction form
    1,153,171,508,512.90/1,728,546,413,353.90 = 387,994,009,778.40/x
  3. Step 3: Cross multiply
    1,153,171,508,512.90x = 1,728,546,413,353.90 × 387,994,009,778.40
  4. Step 4: Simplify right side
    1,153,171,508,512.90x = 670,665,654,005,251,325,296,640
  5. Step 5: Solve for x
    x = 670,665,654,005,251,325,296,640/1,153,171,508,512.90
  6. Step 6: Final answer
    x = 581,583,614,453.09

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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.