Home / 409,769,005.53-614,654,558.06-167,431,909.53

Finding the Fourth Proportional to 409,769,005.53, 614,654,558.06 and 167,431,909.53

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Solution

The fourth proportional to 409,769,005.53, 614,654,558.06 and 167,431,909.53 is: 251,148,293.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,769,005.53 : 614,654,558.06 = 167,431,909.53 : x
  2. Step 2: Convert to fraction form
    409,769,005.53/614,654,558.06 = 167,431,909.53/x
  3. Step 3: Cross multiply
    409,769,005.53x = 614,654,558.06 × 167,431,909.53
  4. Step 4: Simplify right side
    409,769,005.53x = 102,912,786,356,466,880
  5. Step 5: Solve for x
    x = 102,912,786,356,466,880/409,769,005.53
  6. Step 6: Final answer
    x = 251,148,293.23

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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.