Home / 409,867,946.55-614,801,437.97-133,518,708.56

Finding the Fourth Proportional to 409,867,946.55, 614,801,437.97 and 133,518,708.56

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Solution

The fourth proportional to 409,867,946.55, 614,801,437.97 and 133,518,708.56 is: 200,277,905.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,867,946.55 : 614,801,437.97 = 133,518,708.56 : x
  2. Step 2: Convert to fraction form
    409,867,946.55/614,801,437.97 = 133,518,708.56/x
  3. Step 3: Cross multiply
    409,867,946.55x = 614,801,437.97 × 133,518,708.56
  4. Step 4: Simplify right side
    409,867,946.55x = 82,087,494,014,843,760
  5. Step 5: Solve for x
    x = 82,087,494,014,843,760/409,867,946.55
  6. Step 6: Final answer
    x = 200,277,905.86

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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.