Home / 338,667,451.74-507,836,844.81-198,646,160.22

Finding the Fourth Proportional to 338,667,451.74, 507,836,844.81 and 198,646,160.22

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Solution

The fourth proportional to 338,667,451.74, 507,836,844.81 and 198,646,160.22 is: 297,872,850.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,667,451.74 : 507,836,844.81 = 198,646,160.22 : x
  2. Step 2: Convert to fraction form
    338,667,451.74/507,836,844.81 = 198,646,160.22/x
  3. Step 3: Cross multiply
    338,667,451.74x = 507,836,844.81 × 198,646,160.22
  4. Step 4: Simplify right side
    338,667,451.74x = 100,879,839,239,746,528
  5. Step 5: Solve for x
    x = 100,879,839,239,746,528/338,667,451.74
  6. Step 6: Final answer
    x = 297,872,850.55

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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.