Home / 440,375,919.15-660,821,461.55-164,217,917.91

Finding the Fourth Proportional to 440,375,919.15, 660,821,461.55 and 164,217,917.91

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Solution

The fourth proportional to 440,375,919.15, 660,821,461.55 and 164,217,917.91 is: 246,422,930.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,375,919.15 : 660,821,461.55 = 164,217,917.91 : x
  2. Step 2: Convert to fraction form
    440,375,919.15/660,821,461.55 = 164,217,917.91/x
  3. Step 3: Cross multiply
    440,375,919.15x = 660,821,461.55 × 164,217,917.91
  4. Step 4: Simplify right side
    440,375,919.15x = 108,518,724,525,984,112
  5. Step 5: Solve for x
    x = 108,518,724,525,984,112/440,375,919.15
  6. Step 6: Final answer
    x = 246,422,930.52

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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.