Home / 308,037,105-425,237,786.53-206,369,841.39

Finding the Fourth Proportional to 308,037,105, 425,237,786.53 and 206,369,841.39

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Solution

The fourth proportional to 308,037,105, 425,237,786.53 and 206,369,841.39 is: 284,888,583.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,037,105 : 425,237,786.53 = 206,369,841.39 : x
  2. Step 2: Convert to fraction form
    308,037,105/425,237,786.53 = 206,369,841.39/x
  3. Step 3: Cross multiply
    308,037,105x = 425,237,786.53 × 206,369,841.39
  4. Step 4: Simplify right side
    308,037,105x = 87,756,254,557,120,208
  5. Step 5: Solve for x
    x = 87,756,254,557,120,208/308,037,105
  6. Step 6: Final answer
    x = 284,888,583.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.