Home / 440,375,910.77-660,821,448.98-164,217,909.53

Finding the Fourth Proportional to 440,375,910.77, 660,821,448.98 and 164,217,909.53

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Solution

The fourth proportional to 440,375,910.77, 660,821,448.98 and 164,217,909.53 is: 246,422,917.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,375,910.77 : 660,821,448.98 = 164,217,909.53 : x
  2. Step 2: Convert to fraction form
    440,375,910.77/660,821,448.98 = 164,217,909.53/x
  3. Step 3: Cross multiply
    440,375,910.77x = 660,821,448.98 × 164,217,909.53
  4. Step 4: Simplify right side
    440,375,910.77x = 108,518,716,924,912,112
  5. Step 5: Solve for x
    x = 108,518,716,924,912,112/440,375,910.77
  6. Step 6: Final answer
    x = 246,422,917.94

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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.