Home / 458,711,997.15-687,786,393.15-178,265,450.77

Finding the Fourth Proportional to 458,711,997.15, 687,786,393.15 and 178,265,450.77

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Solution

The fourth proportional to 458,711,997.15, 687,786,393.15 and 178,265,450.77 is: 267,288,739.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,711,997.15 : 687,786,393.15 = 178,265,450.77 : x
  2. Step 2: Convert to fraction form
    458,711,997.15/687,786,393.15 = 178,265,450.77/x
  3. Step 3: Cross multiply
    458,711,997.15x = 687,786,393.15 × 178,265,450.77
  4. Step 4: Simplify right side
    458,711,997.15x = 122,608,551,404,918,240
  5. Step 5: Solve for x
    x = 122,608,551,404,918,240/458,711,997.15
  6. Step 6: Final answer
    x = 267,288,739.27

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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.