Home / 394,355,917.80-591,587,682.30-164,271,194.10

Finding the Fourth Proportional to 394,355,917.80, 591,587,682.30 and 164,271,194.10

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Solution

The fourth proportional to 394,355,917.80, 591,587,682.30 and 164,271,194.10 is: 246,429,204.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,355,917.80 : 591,587,682.30 = 164,271,194.10 : x
  2. Step 2: Convert to fraction form
    394,355,917.80/591,587,682.30 = 164,271,194.10/x
  3. Step 3: Cross multiply
    394,355,917.80x = 591,587,682.30 × 164,271,194.10
  4. Step 4: Simplify right side
    394,355,917.80x = 97,180,814,986,272,416
  5. Step 5: Solve for x
    x = 97,180,814,986,272,416/394,355,917.80
  6. Step 6: Final answer
    x = 246,429,204.18

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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.