Home / 309,502,724.68-427,113,757.38-170,270,498.44

Finding the Fourth Proportional to 309,502,724.68, 427,113,757.38 and 170,270,498.44

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Solution

The fourth proportional to 309,502,724.68, 427,113,757.38 and 170,270,498.44 is: 234,973,286.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,502,724.68 : 427,113,757.38 = 170,270,498.44 : x
  2. Step 2: Convert to fraction form
    309,502,724.68/427,113,757.38 = 170,270,498.44/x
  3. Step 3: Cross multiply
    309,502,724.68x = 427,113,757.38 × 170,270,498.44
  4. Step 4: Simplify right side
    309,502,724.68x = 72,724,872,359,673,824
  5. Step 5: Solve for x
    x = 72,724,872,359,673,824/309,502,724.68
  6. Step 6: Final answer
    x = 234,973,286.37

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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.