Home / 409,867,939.92-614,801,428.03-133,518,701.93

Finding the Fourth Proportional to 409,867,939.92, 614,801,428.03 and 133,518,701.93

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Solution

The fourth proportional to 409,867,939.92, 614,801,428.03 and 133,518,701.93 is: 200,277,895.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,867,939.92 : 614,801,428.03 = 133,518,701.93 : x
  2. Step 2: Convert to fraction form
    409,867,939.92/614,801,428.03 = 133,518,701.93/x
  3. Step 3: Cross multiply
    409,867,939.92x = 614,801,428.03 × 133,518,701.93
  4. Step 4: Simplify right side
    409,867,939.92x = 82,087,488,615,275,920
  5. Step 5: Solve for x
    x = 82,087,488,615,275,920/409,867,939.92
  6. Step 6: Final answer
    x = 200,277,895.93

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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.