Home / 398,508,727.38-597,935,735.55-214,061,007.48

Finding the Fourth Proportional to 398,508,727.38, 597,935,735.55 and 214,061,007.48

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Solution

The fourth proportional to 398,508,727.38, 597,935,735.55 and 214,061,007.48 is: 321,184,248.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,508,727.38 : 597,935,735.55 = 214,061,007.48 : x
  2. Step 2: Convert to fraction form
    398,508,727.38/597,935,735.55 = 214,061,007.48/x
  3. Step 3: Cross multiply
    398,508,727.38x = 597,935,735.55 × 214,061,007.48
  4. Step 4: Simplify right side
    398,508,727.38x = 127,994,725,960,127,840
  5. Step 5: Solve for x
    x = 127,994,725,960,127,840/398,508,727.38
  6. Step 6: Final answer
    x = 321,184,248.09

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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.