Home / 609,855,561,916.92-842,808,188,105.08-499,816,347,964.16

Finding the Fourth Proportional to 609,855,561,916.92, 842,808,188,105.08 and 499,816,347,964.16

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Solution

The fourth proportional to 609,855,561,916.92, 842,808,188,105.08 and 499,816,347,964.16 is: 690,736,195,450.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,855,561,916.92 : 842,808,188,105.08 = 499,816,347,964.16 : x
  2. Step 2: Convert to fraction form
    609,855,561,916.92/842,808,188,105.08 = 499,816,347,964.16/x
  3. Step 3: Cross multiply
    609,855,561,916.92x = 842,808,188,105.08 × 499,816,347,964.16
  4. Step 4: Simplify right side
    609,855,561,916.92x = 421,249,310,612,971,864,457,216
  5. Step 5: Solve for x
    x = 421,249,310,612,971,864,457,216/609,855,561,916.92
  6. Step 6: Final answer
    x = 690,736,195,450.75

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.