Home / 409,769,009.28-614,654,563.68-167,431,913.28

Finding the Fourth Proportional to 409,769,009.28, 614,654,563.68 and 167,431,913.28

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Solution

The fourth proportional to 409,769,009.28, 614,654,563.68 and 167,431,913.28 is: 251,148,298.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,769,009.28 : 614,654,563.68 = 167,431,913.28 : x
  2. Step 2: Convert to fraction form
    409,769,009.28/614,654,563.68 = 167,431,913.28/x
  3. Step 3: Cross multiply
    409,769,009.28x = 614,654,563.68 × 167,431,913.28
  4. Step 4: Simplify right side
    409,769,009.28x = 102,912,789,603,225,984
  5. Step 5: Solve for x
    x = 102,912,789,603,225,984/409,769,009.28
  6. Step 6: Final answer
    x = 251,148,298.85

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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.