Home / 411,905,093.40-617,857,640.10-217,741,483.80

Finding the Fourth Proportional to 411,905,093.40, 617,857,640.10 and 217,741,483.80

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Solution

The fourth proportional to 411,905,093.40, 617,857,640.10 and 217,741,483.80 is: 326,612,225.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,905,093.40 : 617,857,640.10 = 217,741,483.80 : x
  2. Step 2: Convert to fraction form
    411,905,093.40/617,857,640.10 = 217,741,483.80/x
  3. Step 3: Cross multiply
    411,905,093.40x = 617,857,640.10 × 217,741,483.80
  4. Step 4: Simplify right side
    411,905,093.40x = 134,533,239,332,540,400
  5. Step 5: Solve for x
    x = 134,533,239,332,540,400/411,905,093.40
  6. Step 6: Final answer
    x = 326,612,225.70

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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.