Home / 818,136,788.29-1,227,377,536.13-265,396,057.32

Finding the Fourth Proportional to 818,136,788.29, 1,227,377,536.13 and 265,396,057.32

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Solution

The fourth proportional to 818,136,788.29, 1,227,377,536.13 and 265,396,057.32 is: 398,149,995.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,136,788.29 : 1,227,377,536.13 = 265,396,057.32 : x
  2. Step 2: Convert to fraction form
    818,136,788.29/1,227,377,536.13 = 265,396,057.32/x
  3. Step 3: Cross multiply
    818,136,788.29x = 1,227,377,536.13 × 265,396,057.32
  4. Step 4: Simplify right side
    818,136,788.29x = 325,741,158,932,037,888
  5. Step 5: Solve for x
    x = 325,741,158,932,037,888/818,136,788.29
  6. Step 6: Final answer
    x = 398,149,995.94

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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.