Home / 454,464,010.60-680,912,195.10-211,628,861.80

Finding the Fourth Proportional to 454,464,010.60, 680,912,195.10 and 211,628,861.80

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Solution

The fourth proportional to 454,464,010.60, 680,912,195.10 and 211,628,861.80 is: 317,078,293.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,464,010.60 : 680,912,195.10 = 211,628,861.80 : x
  2. Step 2: Convert to fraction form
    454,464,010.60/680,912,195.10 = 211,628,861.80/x
  3. Step 3: Cross multiply
    454,464,010.60x = 680,912,195.10 × 211,628,861.80
  4. Step 4: Simplify right side
    454,464,010.60x = 144,100,672,834,752,544
  5. Step 5: Solve for x
    x = 144,100,672,834,752,544/454,464,010.60
  6. Step 6: Final answer
    x = 317,078,293.27

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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.