Home / 818,136,788.79-1,227,377,536.88-265,396,057.82

Finding the Fourth Proportional to 818,136,788.79, 1,227,377,536.88 and 265,396,057.82

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Solution

The fourth proportional to 818,136,788.79, 1,227,377,536.88 and 265,396,057.82 is: 398,149,996.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,136,788.79 : 1,227,377,536.88 = 265,396,057.82 : x
  2. Step 2: Convert to fraction form
    818,136,788.79/1,227,377,536.88 = 265,396,057.82/x
  3. Step 3: Cross multiply
    818,136,788.79x = 1,227,377,536.88 × 265,396,057.82
  4. Step 4: Simplify right side
    818,136,788.79x = 325,741,159,737,309,760
  5. Step 5: Solve for x
    x = 325,741,159,737,309,760/818,136,788.79
  6. Step 6: Final answer
    x = 398,149,996.68

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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.